Q: Is 1,125,390 a Composite Number?

Why is 1,125,390 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 1,125,390 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 105 115 138 161 210 230 233 322 345 466 483 690 699 805 966 1,165 1,398 1,610 1,631 2,330 2,415 3,262 3,495 4,830 4,893 5,359 6,990 8,155 9,786 10,718 16,077 16,310 24,465 26,795 32,154 37,513 48,930 53,590 75,026 80,385 112,539 160,770 187,565 225,078 375,130 562,695 and 1,125,390, with no remainder.

Since 1,125,390 cannot be divided by just 1 and 1,125,390, 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).