Q: Is 15,372,420 a Composite Number?

Why is 15,372,420 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 15,372,420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1,020 1,190 1,428 1,785 2,153 2,380 3,570 4,306 6,459 7,140 8,612 10,765 12,918 15,071 21,530 25,836 30,142 32,295 36,601 43,060 45,213 60,284 64,590 73,202 75,355 90,426 109,803 129,180 146,404 150,710 180,852 183,005 219,606 226,065 256,207 301,420 366,010 439,212 452,130 512,414 549,015 732,020 768,621 904,260 1,024,828 1,098,030 1,281,035 1,537,242 2,196,060 2,562,070 3,074,484 3,843,105 5,124,140 7,686,210 and 15,372,420, with no remainder.

Since 15,372,420 cannot be divided by just 1 and 15,372,420, 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).