What is the smallest number which when increased by 3 is divisible by 18, 70, 25 and 21?
Options:
A) 2327
B) 2757
C) 3147
D) 3587
E) 3997
When increased by 3, the number must include at least 2*3^2*5^2*7 = 3150   The answer is 3147.
<result>C</result>
What is the smallest number which when increased by 3 is divisible by 18, 70, 25 and 21?