Q: Is 1,642,740 a Composite Number?

Why is 1,642,740 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 1,642,740 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 19 20 22 30 33 38 44 55 57 60 66 76 95 110 114 131 132 165 190 209 220 228 262 285 330 380 393 418 524 570 627 655 660 786 836 1,045 1,140 1,254 1,310 1,441 1,572 1,965 2,090 2,489 2,508 2,620 2,882 3,135 3,930 4,180 4,323 4,978 5,764 6,270 7,205 7,467 7,860 8,646 9,956 12,445 12,540 14,410 14,934 17,292 21,615 24,890 27,379 28,820 29,868 37,335 43,230 49,780 54,758 74,670 82,137 86,460 109,516 136,895 149,340 164,274 273,790 328,548 410,685 547,580 821,370 and 1,642,740, with no remainder.

Since 1,642,740 cannot be divided by just 1 and 1,642,740, 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).