Q: Is 617,428 a Prime Number?
A: No, 617,428 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 617428 can be evenly divided by 1 2 4 7 14 28 22,051 44,102 88,204 154,357 308,714 and 617,428, with no remainder.
Since 617,428 cannot be divided by just 1 and 617,428, it is not a prime number.