Q: Is 3,971,940 a Composite Number?

Why is 3,971,940 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 3,971,940 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 193 196 210 245 294 343 386 420 490 579 588 686 735 772 965 980 1,029 1,158 1,351 1,372 1,470 1,715 1,930 2,058 2,316 2,702 2,895 2,940 3,430 3,860 4,053 4,116 5,145 5,404 5,790 6,755 6,860 8,106 9,457 10,290 11,580 13,510 16,212 18,914 20,265 20,580 27,020 28,371 37,828 40,530 47,285 56,742 66,199 81,060 94,570 113,484 132,398 141,855 189,140 198,597 264,796 283,710 330,995 397,194 567,420 661,990 794,388 992,985 1,323,980 1,985,970 and 3,971,940, with no remainder.

Since 3,971,940 cannot be divided by just 1 and 3,971,940, 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).