Q: Is 422,560 a Prime Number?
A: No, 422,560 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 422560 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 139 152 160 190 278 304 380 556 608 695 760 1,112 1,390 1,520 2,224 2,641 2,780 3,040 4,448 5,282 5,560 10,564 11,120 13,205 21,128 22,240 26,410 42,256 52,820 84,512 105,640 211,280 and 422,560, with no remainder.
Since 422,560 cannot be divided by just 1 and 422,560, it is not a prime number.