51677146 ÷ 658 
We want to figure out the number of times 51677146 can be divided by 658.

On to step 1:
If we divide 5 by 658, we get 0 and a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Take the next digit (1) from the dividend and append it to 5, then repeat: 51 / 658

Advancing to step 2:
658 goes into 51 0 times with a remainder of 51.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 51 after subtracting 0 from 51.
Bring next digit (6) of the dividend behind the 51 and repeat the process: 516 / 658

Moving on to step 3:
The number 658 fits into 516 0 times, leaving a remainder of 516.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 516 leaves us with 516.
Include the next digit (7) from the dividend after 516, then repeat: 5167 / 658

Advancing to step 4:
5167 divided by 658 is 7 with a remainder of 561.
The number 7 becomes the next digit in our result. 
Result so far: 7.0
If we subtract 4606 from 5167, we get 561.
Bring next digit (7) of the dividend behind the 561 and repeat the process: 5617 / 658

Moving on to step 5:
When dividing 5617 by 658, we get 8 with a remainder of 353.
Write down 8 as next digit of the result. 
Result so far: 78.0
Subtract 5264 from 5617 to get 353.
Include the next digit (1) from the dividend after 353, then repeat: 3531 / 658

Moving on to step 6:
When dividing 3531 by 658, we get 5 with a remainder of 241.
The number 5 becomes the next digit in our result. 
Result so far: 785.0
The remainder is 241 after subtracting 3290 from 3531.
Fetch the next digit (4) from the dividend, attach it to 241 and continue: 2414 / 658

Moving on to step 7:
If we divide 2414 by 658, we get 3 and a remainder of 440.
Use 3 as the next digit of our solution. 
Result so far: 7853.0
The remainder is 440 after subtracting 1974 from 2414.
Fetch the next digit (6) from the dividend, attach it to 440 and continue: 4406 / 658

Step 8:
If we divide 4406 by 658, we get 6 and a remainder of 458.
The number 6 becomes the next digit in our result. 
Result so far: 78536.0
Subtracting 3948 from 4406 leaves us with 458.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4580, and continue the process.

Step 9:
4580 divided by 658 is 6 with a remainder of 632.
Use 6 as the next digit of our solution. 
Result so far: 78536.6
If we subtract 3948 from 4580, we get 632.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6320, and continue the process.

On to step 10:
When dividing 6320 by 658, we get 9 with a remainder of 398.
Record the quotient 9 as the next digit in the result. 
Result so far: 78536.69
If we subtract 5922 from 6320, we get 398.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3980, and continue the process.

Going ahead to step 11:
658 goes into 3980 6 times with a remainder of 32.
Write down 6 as next digit of the result. 
Result so far: 78536.696
Subtracting 3948 from 3980 leaves us with 32.
Since there are no more digits in the dividend, we add a zero to the remainder making it 320, and continue the process.

Moving on to step 12:
658 goes into 320 0 times with a remainder of 320.
The next digit of our result is 0. 
Result so far: 78536.696
If we subtract 0 from 320, we get 320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

Step 13:
3200 divided by 658 is 4 with a remainder of 568.
Write down 4 as next digit of the result. 
Result so far: 78536.69604
Subtracting 2632 from 3200 leaves us with 568.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5680, and continue the process.

Step 14:
658 goes into 5680 8 times with a remainder of 416.
The next digit of our result is 8. 
Result so far: 78536.696048
Subtract 5264 from 5680 to get 416.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

Step 15:
658 can be fit into 4160 6 times, resulting in a remainder of 212.
Put 6 as the next digit of the answer. 
Result so far: 78536.6960486
Subtracting 3948 from 4160 leaves us with 212.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2120, and continue the process.

Advancing to step 16:
The number 658 fits into 2120 3 times, leaving a remainder of 146.
The next digit of our result is 3. 
Result so far: 78536.69604863
Subtracting 1974 from 2120 leaves us with 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Our division results in 78536.69604863 with a remaining 1.46e-07.