Q: Is 472,640 a Prime Number?
A: No, 472,640 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 472640 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 211 224 280 320 422 448 560 844 1,055 1,120 1,477 1,688 2,110 2,240 2,954 3,376 4,220 5,908 6,752 7,385 8,440 11,816 13,504 14,770 16,880 23,632 29,540 33,760 47,264 59,080 67,520 94,528 118,160 236,320 and 472,640, with no remainder.
Since 472,640 cannot be divided by just 1 and 472,640, it is not a prime number.