Q: Is 211,431,402 a Composite Number?

Why is 211,431,402 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 211,431,402 can be evenly divided by 1 2 3 6 7 9 13 14 18 21 26 29 39 42 58 63 78 87 91 117 126 174 182 203 234 261 273 377 406 522 546 609 754 819 1,131 1,218 1,638 1,827 2,262 2,639 3,393 3,654 4,451 5,278 6,786 7,917 8,902 13,353 15,834 23,751 26,706 31,157 40,059 47,502 57,863 62,314 80,118 93,471 115,726 129,079 173,589 186,942 258,158 280,413 347,178 387,237 405,041 520,767 560,826 774,474 810,082 903,553 1,041,534 1,161,711 1,215,123 1,678,027 1,807,106 2,323,422 2,430,246 2,710,659 3,356,054 3,645,369 5,034,081 5,421,318 7,290,738 8,131,977 10,068,162 11,746,189 15,102,243 16,263,954 23,492,378 30,204,486 35,238,567 70,477,134 105,715,701 and 211,431,402, with no remainder.

Since 211,431,402 cannot be divided by just 1 and 211,431,402, 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).