Q: Is 422,240 a Prime Number?
A: No, 422,240 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 422240 can be evenly divided by 1 2 4 5 7 8 10 13 14 16 20 26 28 29 32 35 40 52 56 58 65 70 80 91 104 112 116 130 140 145 160 182 203 208 224 232 260 280 290 364 377 406 416 455 464 520 560 580 728 754 812 910 928 1,015 1,040 1,120 1,160 1,456 1,508 1,624 1,820 1,885 2,030 2,080 2,320 2,639 2,912 3,016 3,248 3,640 3,770 4,060 4,640 5,278 6,032 6,496 7,280 7,540 8,120 10,556 12,064 13,195 14,560 15,080 16,240 21,112 26,390 30,160 32,480 42,224 52,780 60,320 84,448 105,560 211,120 and 422,240, with no remainder.
Since 422,240 cannot be divided by just 1 and 422,240, it is not a prime number.