We look at the division of 15213590 by 151 
We want to figure out the number of times 15213590 can be divided by 151.

Moving on to step 1:
151 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we subtract 0 from 1, we get 1.
Take the next digit (5) from the dividend and append it to 1, then repeat: 15 / 151

Advancing to step 2:
151 can be fit into 15 0 times, resulting in a remainder of 15.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtracting 0 from 15 leaves us with 15.
Fetch the next digit (2) from the dividend, attach it to 15 and continue: 152 / 151

Let's proceed to step 3:
152 divided by 151 is 1 with a remainder of 1.
The next digit of our result is 1. 
Result so far: 1.0
Subtract 151 from 152 to get 1.
Append the next digit (1) from the dividend to 1 and continue with: 11 / 151

Moving on to step 4:
When dividing 11 by 151, we get 0 with a remainder of 11.
The next digit of our result is 0. 
Result so far: 10.0
Deduct 0 from 11 and we're left with 11.
Fetch the next digit (3) from the dividend, attach it to 11 and continue: 113 / 151

Step 5:
If we divide 113 by 151, we get 0 and a remainder of 113.
Write down 0 as next digit of the result. 
Result so far: 100.0
Subtracting 0 from 113 leaves us with 113.
Append the next digit (5) from the dividend to 113 and continue with: 1135 / 151

Going ahead to step 6:
If we divide 1135 by 151, we get 7 and a remainder of 78.
Write down 7 as next digit of the result. 
Result so far: 1007.0
Subtract 1057 from 1135 to get 78.
Take the next digit (9) from the dividend and append it to 78, then repeat: 789 / 151

Moving on to step 7:
The number 151 fits into 789 5 times, leaving a remainder of 34.
The next digit of our result is 5. 
Result so far: 10075.0
Subtract 755 from 789 to get 34.
Include the next digit (0) from the dividend after 34, then repeat: 340 / 151

Going ahead to step 8:
When dividing 340 by 151, we get 2 with a remainder of 38.
The next digit of our result is 2. 
Result so far: 100752.0
Deduct 302 from 340 and we're left with 38.
Since there are no more digits in the dividend, we add a zero to the remainder making it 380, and continue the process.

Moving on to step 9:
151 can be fit into 380 2 times, resulting in a remainder of 78.
The next digit of our result is 2. 
Result so far: 100752.2
Subtract 302 from 380 to get 78.
Since there are no more digits in the dividend, we add a zero to the remainder making it 780, and continue the process.

On to step 10:
151 goes into 780 5 times with a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 100752.25
Subtracting 755 from 780 leaves us with 25.
Since there are no more digits in the dividend, we add a zero to the remainder making it 250, and continue the process.

Let's proceed to step 11:
The number 151 fits into 250 1 times, leaving a remainder of 99.
Put 1 as the next digit of the answer. 
Result so far: 100752.251
Subtract 151 from 250 to get 99.
Since there are no more digits in the dividend, we add a zero to the remainder making it 990, and continue the process.

Moving on to step 12:
151 can be fit into 990 6 times, resulting in a remainder of 84.
Record the quotient 6 as the next digit in the result. 
Result so far: 100752.2516
The remainder is 84 after subtracting 906 from 990.
Since there are no more digits in the dividend, we add a zero to the remainder making it 840, and continue the process.

Advancing to step 13:
151 can be fit into 840 5 times, resulting in a remainder of 85.
The next digit of our result is 5. 
Result so far: 100752.25165
If we take 755 away from 840, we end up with 85.
Since there are no more digits in the dividend, we add a zero to the remainder making it 850, and continue the process.

Going ahead to step 14:
850 divided by 151 is 5 with a remainder of 95.
Put 5 as the next digit of the answer. 
Result so far: 100752.251655
Subtracting 755 from 850 leaves us with 95.
Since there are no more digits in the dividend, we add a zero to the remainder making it 950, and continue the process.

The quotient of the division is 100752.251655, and the remainder is 9.5e-06.