Q: Is 321,455,360 a Composite Number?

Why is 321,455,360 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 321,455,360 can be evenly divided by 1 2 4 5 8 10 16 20 23 32 40 46 61 64 80 92 115 122 128 160 179 184 230 244 256 305 320 358 368 460 488 610 640 716 736 895 920 976 1,220 1,280 1,403 1,432 1,472 1,790 1,840 1,952 2,440 2,806 2,864 2,944 3,580 3,680 3,904 4,117 4,880 5,612 5,728 5,888 7,015 7,160 7,360 7,808 8,234 9,760 10,919 11,224 11,456 14,030 14,320 14,720 15,616 16,468 19,520 20,585 21,838 22,448 22,912 28,060 28,640 29,440 32,936 39,040 41,170 43,676 44,896 45,824 54,595 56,120 57,280 65,872 78,080 82,340 87,352 89,792 109,190 112,240 114,560 131,744 164,680 174,704 179,584 218,380 224,480 229,120 251,137 263,488 329,360 349,408 359,168 436,760 448,960 502,274 526,976 658,720 698,816 873,520 897,920 1,004,548 1,053,952 1,255,685 1,317,440 1,397,632 1,747,040 1,795,840 2,009,096 2,511,370 2,634,880 2,795,264 3,494,080 4,018,192 5,022,740 5,269,760 6,988,160 8,036,384 10,045,480 13,976,320 16,072,768 20,090,960 32,145,536 40,181,920 64,291,072 80,363,840 160,727,680 and 321,455,360, with no remainder.

Since 321,455,360 cannot be divided by just 1 and 321,455,360, 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).