Q: Is 80,743,880 a Composite Number?

Why is 80,743,880 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 80,743,880 can be evenly divided by 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 340 476 595 680 952 1,190 2,380 4,760 16,963 33,926 67,852 84,815 118,741 135,704 169,630 237,482 288,371 339,260 474,964 576,742 593,705 678,520 949,928 1,153,484 1,187,410 1,441,855 2,018,597 2,306,968 2,374,820 2,883,710 4,037,194 4,749,640 5,767,420 8,074,388 10,092,985 11,534,840 16,148,776 20,185,970 40,371,940 and 80,743,880, with no remainder.

Since 80,743,880 cannot be divided by just 1 and 80,743,880, 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).