Q: Is 121,310,200 a Prime Number?

Why is 121,310,200 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 121310200 can be evenly divided by 1 2 4 5 8 10 11 20 22 25 40 44 50 55 67 88 100 110 134 200 220 268 275 335 440 536 550 670 737 823 1,100 1,340 1,474 1,646 1,675 2,200 2,680 2,948 3,292 3,350 3,685 4,115 5,896 6,584 6,700 7,370 8,230 9,053 13,400 14,740 16,460 18,106 18,425 20,575 29,480 32,920 36,212 36,850 41,150 45,265 55,141 72,424 73,700 82,300 90,530 110,282 147,400 164,600 181,060 220,564 226,325 275,705 362,120 441,128 452,650 551,410 606,551 905,300 1,102,820 1,213,102 1,378,525 1,810,600 2,205,640 2,426,204 2,757,050 3,032,755 4,852,408 5,514,100 6,065,510 11,028,200 12,131,020 15,163,775 24,262,040 30,327,550 60,655,100 and 121,310,200, with no remainder.

Since 121,310,200 cannot be divided by just 1 and 121,310,200, it is not a prime number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).