Q: Is 676,240 a Prime Number?
A: No, 676,240 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 676240 can be evenly divided by 1 2 4 5 8 10 16 20 40 79 80 107 158 214 316 395 428 535 632 790 856 1,070 1,264 1,580 1,712 2,140 3,160 4,280 6,320 8,453 8,560 16,906 33,812 42,265 67,624 84,530 135,248 169,060 338,120 and 676,240, with no remainder.
Since 676,240 cannot be divided by just 1 and 676,240, it is not a prime number.