Q: Is 391,704 a Prime Number?
A: No, 391,704 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 391704 can be evenly divided by 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 859 1,718 2,577 3,436 5,154 6,872 10,308 16,321 20,616 32,642 48,963 65,284 97,926 130,568 195,852 and 391,704, with no remainder.
Since 391,704 cannot be divided by just 1 and 391,704, it is not a prime number.