Q: Is 617,628 a Prime Number?
A: No, 617,628 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 617628 can be evenly divided by 1 2 3 4 6 11 12 22 33 44 66 132 4,679 9,358 14,037 18,716 28,074 51,469 56,148 102,938 154,407 205,876 308,814 and 617,628, with no remainder.
Since 617,628 cannot be divided by just 1 and 617,628, it is not a prime number.