Q: Is 420,421,410 a Composite Number?

Why is 420,421,410 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 420,421,410 can be evenly divided by 1 2 3 5 6 9 10 15 18 29 30 45 58 79 87 90 145 158 174 237 261 290 395 435 474 522 711 790 870 1,185 1,305 1,422 2,039 2,291 2,370 2,610 3,555 4,078 4,582 6,117 6,873 7,110 10,195 11,455 12,234 13,746 18,351 20,390 20,619 22,910 30,585 34,365 36,702 41,238 59,131 61,170 68,730 91,755 103,095 118,262 161,081 177,393 183,510 206,190 295,655 322,162 354,786 483,243 532,179 591,310 805,405 886,965 966,486 1,064,358 1,449,729 1,610,810 1,773,930 2,416,215 2,660,895 2,899,458 4,671,349 4,832,430 5,321,790 7,248,645 9,342,698 14,014,047 14,497,290 23,356,745 28,028,094 42,042,141 46,713,490 70,070,235 84,084,282 140,140,470 210,210,705 and 420,421,410, with no remainder.

Since 420,421,410 cannot be divided by just 1 and 420,421,410, it is a composite number.

More Examples

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