Q: Is 1,621,488 a Composite Number?

Why is 1,621,488 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 1,621,488 can be evenly divided by 1 2 3 4 6 8 11 12 16 22 24 33 37 44 48 66 74 83 88 111 132 148 166 176 222 249 264 296 332 407 444 498 528 592 664 814 888 913 996 1,221 1,328 1,628 1,776 1,826 1,992 2,442 2,739 3,071 3,256 3,652 3,984 4,884 5,478 6,142 6,512 7,304 9,213 9,768 10,956 12,284 14,608 18,426 19,536 21,912 24,568 33,781 36,852 43,824 49,136 67,562 73,704 101,343 135,124 147,408 202,686 270,248 405,372 540,496 810,744 and 1,621,488, with no remainder.

Since 1,621,488 cannot be divided by just 1 and 1,621,488, 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).