Q: Is 64,348,640 a Composite Number?

Why is 64,348,640 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 64,348,640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 43 47 80 86 94 160 172 188 199 215 235 344 376 398 430 470 688 752 796 860 940 995 1,376 1,504 1,592 1,720 1,880 1,990 2,021 3,184 3,440 3,760 3,980 4,042 6,368 6,880 7,520 7,960 8,084 8,557 9,353 10,105 15,920 16,168 17,114 18,706 20,210 31,840 32,336 34,228 37,412 40,420 42,785 46,765 64,672 68,456 74,824 80,840 85,570 93,530 136,912 149,648 161,680 171,140 187,060 273,824 299,296 323,360 342,280 374,120 402,179 684,560 748,240 804,358 1,369,120 1,496,480 1,608,716 2,010,895 3,217,432 4,021,790 6,434,864 8,043,580 12,869,728 16,087,160 32,174,320 and 64,348,640, with no remainder.

Since 64,348,640 cannot be divided by just 1 and 64,348,640, 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).