Q: Is 680,624 a Prime Number?
A: No, 680,624 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 680624 can be evenly divided by 1 2 4 7 8 14 16 28 56 59 103 112 118 206 236 412 413 472 721 824 826 944 1,442 1,648 1,652 2,884 3,304 5,768 6,077 6,608 11,536 12,154 24,308 42,539 48,616 85,078 97,232 170,156 340,312 and 680,624, with no remainder.
Since 680,624 cannot be divided by just 1 and 680,624, it is not a prime number.