Q: Is 344,720 a Prime Number?
A: No, 344,720 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 344720 can be evenly divided by 1 2 4 5 8 10 16 20 31 40 62 80 124 139 155 248 278 310 496 556 620 695 1,112 1,240 1,390 2,224 2,480 2,780 4,309 5,560 8,618 11,120 17,236 21,545 34,472 43,090 68,944 86,180 172,360 and 344,720, with no remainder.
Since 344,720 cannot be divided by just 1 and 344,720, it is not a prime number.