Q: Is 2,666,620 a Composite Number?

Why is 2,666,620 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 2,666,620 can be evenly divided by 1 2 4 5 10 11 17 20 22 23 31 34 44 46 55 62 68 85 92 110 115 124 155 170 187 220 230 253 310 340 341 374 391 460 506 527 620 682 713 748 782 935 1,012 1,054 1,265 1,364 1,426 1,564 1,705 1,870 1,955 2,108 2,530 2,635 2,852 3,410 3,565 3,740 3,910 4,301 5,060 5,270 5,797 6,820 7,130 7,820 7,843 8,602 10,540 11,594 12,121 14,260 15,686 17,204 21,505 23,188 24,242 28,985 31,372 39,215 43,010 48,484 57,970 60,605 78,430 86,020 115,940 121,210 133,331 156,860 242,420 266,662 533,324 666,655 1,333,310 and 2,666,620, with no remainder.

Since 2,666,620 cannot be divided by just 1 and 2,666,620, 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).