Q: Is 87,742,170 a Composite Number?

Why is 87,742,170 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 87,742,170 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 37 45 54 74 90 111 135 185 222 270 333 370 555 666 999 1,110 1,665 1,998 3,330 4,995 8,783 9,990 17,566 26,349 43,915 52,698 79,047 87,830 131,745 158,094 237,141 263,490 324,971 395,235 474,282 649,942 790,470 974,913 1,185,705 1,624,855 1,949,826 2,371,410 2,924,739 3,249,710 4,874,565 5,849,478 8,774,217 9,749,130 14,623,695 17,548,434 29,247,390 43,871,085 and 87,742,170, with no remainder.

Since 87,742,170 cannot be divided by just 1 and 87,742,170, 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).