Q: Is 667,725 a Prime Number?
A: No, 667,725 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 667725 can be evenly divided by 1 3 5 15 25 29 75 87 145 307 435 725 921 1,535 2,175 4,605 7,675 8,903 23,025 26,709 44,515 133,545 222,575 and 667,725, with no remainder.
Since 667,725 cannot be divided by just 1 and 667,725, it is not a prime number.