Q: Is 7,862,540 a Composite Number?

Why is 7,862,540 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 7,862,540 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 49 70 71 98 113 140 142 196 226 245 284 355 452 490 497 565 710 791 980 994 1,130 1,420 1,582 1,988 2,260 2,485 3,164 3,479 3,955 4,970 5,537 6,958 7,910 8,023 9,940 11,074 13,916 15,820 16,046 17,395 22,148 27,685 32,092 34,790 40,115 55,370 56,161 69,580 80,230 110,740 112,322 160,460 224,644 280,805 393,127 561,610 786,254 1,123,220 1,572,508 1,965,635 3,931,270 and 7,862,540, with no remainder.

Since 7,862,540 cannot be divided by just 1 and 7,862,540, 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).