Q: Is 2,129,520 a Composite Number?

Why is 2,129,520 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 2,129,520 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 467 570 760 912 934 1,140 1,401 1,520 1,868 2,280 2,335 2,802 3,736 4,560 4,670 5,604 7,005 7,472 8,873 9,340 11,208 14,010 17,746 18,680 22,416 26,619 28,020 35,492 37,360 44,365 53,238 56,040 70,984 88,730 106,476 112,080 133,095 141,968 177,460 212,952 266,190 354,920 425,904 532,380 709,840 1,064,760 and 2,129,520, with no remainder.

Since 2,129,520 cannot be divided by just 1 and 2,129,520, 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).