Q: Is 629,920 a Prime Number?
A: No, 629,920 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 629920 can be evenly divided by 1 2 4 5 8 10 16 20 31 32 40 62 80 124 127 155 160 248 254 310 496 508 620 635 992 1,016 1,240 1,270 2,032 2,480 2,540 3,937 4,064 4,960 5,080 7,874 10,160 15,748 19,685 20,320 31,496 39,370 62,992 78,740 125,984 157,480 314,960 and 629,920, with no remainder.
Since 629,920 cannot be divided by just 1 and 629,920, it is not a prime number.