Q: Is 667,625 a Prime Number?
A: No, 667,625 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 667625 can be evenly divided by 1 5 7 25 35 49 109 125 175 245 545 763 875 1,225 2,725 3,815 5,341 6,125 13,625 19,075 26,705 95,375 133,525 and 667,625, with no remainder.
Since 667,625 cannot be divided by just 1 and 667,625, it is not a prime number.