Q: Is 64,221,920 a Composite Number?

Why is 64,221,920 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 64,221,920 can be evenly divided by 1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 68 70 80 85 112 119 136 140 160 170 224 238 272 280 340 476 544 560 595 680 952 1,120 1,190 1,360 1,904 2,380 2,720 3,373 3,808 4,760 6,746 9,520 13,492 16,865 19,040 23,611 26,984 33,730 47,222 53,968 57,341 67,460 94,444 107,936 114,682 118,055 134,920 188,888 229,364 236,110 269,840 286,705 377,776 401,387 458,728 472,220 539,680 573,410 755,552 802,774 917,456 944,440 1,146,820 1,605,548 1,834,912 1,888,880 2,006,935 2,293,640 3,211,096 3,777,760 4,013,870 4,587,280 6,422,192 8,027,740 9,174,560 12,844,384 16,055,480 32,110,960 and 64,221,920, with no remainder.

Since 64,221,920 cannot be divided by just 1 and 64,221,920, 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).