Q: Is 3,137,628 a Prime Number?
A: No, 3,137,628 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 3137628 can be evenly divided by 1 2 3 4 6 12 13 26 39 52 78 156 20,113 40,226 60,339 80,452 120,678 241,356 261,469 522,938 784,407 1,045,876 1,568,814 and 3,137,628, with no remainder.
Since 3,137,628 cannot be divided by just 1 and 3,137,628, it is not a prime number.