Q: Is 726,336 a Prime Number?
A: No, 726,336 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 726336 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 97 104 117 144 156 192 194 208 234 288 291 312 388 416 468 576 582 624 776 832 873 936 1,164 1,248 1,261 1,552 1,746 1,872 2,328 2,496 2,522 3,104 3,492 3,744 3,783 4,656 5,044 6,208 6,984 7,488 7,566 9,312 10,088 11,349 13,968 15,132 18,624 20,176 22,698 27,936 30,264 40,352 45,396 55,872 60,528 80,704 90,792 121,056 181,584 242,112 363,168 and 726,336, with no remainder.
Since 726,336 cannot be divided by just 1 and 726,336, it is not a prime number.