Q: Is 12,420,240 a Composite Number?

Why is 12,420,240 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 12,420,240 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1,680 7,393 14,786 22,179 29,572 36,965 44,358 51,751 59,144 73,930 88,716 103,502 110,895 118,288 147,860 155,253 177,432 207,004 221,790 258,755 295,720 310,506 354,864 414,008 443,580 517,510 591,440 621,012 776,265 828,016 887,160 1,035,020 1,242,024 1,552,530 1,774,320 2,070,040 2,484,048 3,105,060 4,140,080 6,210,120 and 12,420,240, with no remainder.

Since 12,420,240 cannot be divided by just 1 and 12,420,240, 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).