Q: Is 311,577,240 a Composite Number?

Why is 311,577,240 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 311,577,240 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1,560 199,729 399,458 599,187 798,916 998,645 1,198,374 1,597,832 1,997,290 2,396,748 2,596,477 2,995,935 3,994,580 4,793,496 5,192,954 5,991,870 7,789,431 7,989,160 10,385,908 11,983,740 12,982,385 15,578,862 20,771,816 23,967,480 25,964,770 31,157,724 38,947,155 51,929,540 62,315,448 77,894,310 103,859,080 155,788,620 and 311,577,240, with no remainder.

Since 311,577,240 cannot be divided by just 1 and 311,577,240, 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).