Q: Is 625,120 a Prime Number?
A: No, 625,120 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 625120 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 3,907 7,814 15,628 19,535 31,256 39,070 62,512 78,140 125,024 156,280 312,560 and 625,120, with no remainder.
Since 625,120 cannot be divided by just 1 and 625,120, it is not a prime number.