Q: Is 21,415,104 a Composite Number?

Why is 21,415,104 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 21,415,104 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 81 96 102 108 136 144 153 162 192 204 216 243 272 288 306 324 408 432 459 486 544 576 612 648 729 816 864 918 972 1,088 1,224 1,296 1,377 1,458 1,632 1,728 1,836 1,944 2,187 2,448 2,592 2,754 2,916 3,264 3,672 3,888 4,131 4,374 4,896 5,184 5,508 5,832 6,561 7,344 7,776 8,262 8,748 9,792 11,016 11,664 12,393 13,122 14,688 15,552 16,524 17,496 19,683 22,032 23,328 24,786 26,244 29,376 33,048 34,992 37,179 39,366 44,064 46,656 49,572 52,488 66,096 69,984 74,358 78,732 88,128 99,144 104,976 111,537 132,192 139,968 148,716 157,464 198,288 209,952 223,074 264,384 297,432 314,928 334,611 396,576 419,904 446,148 594,864 629,856 669,222 793,152 892,296 1,189,728 1,259,712 1,338,444 1,784,592 2,379,456 2,676,888 3,569,184 5,353,776 7,138,368 10,707,552 and 21,415,104, with no remainder.

Since 21,415,104 cannot be divided by just 1 and 21,415,104, 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).