Q: Is 427,440 a Composite Number?

Why is 427,440 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 427,440 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 137 156 195 208 240 260 274 312 390 411 520 548 624 685 780 822 1,040 1,096 1,370 1,560 1,644 1,781 2,055 2,192 2,740 3,120 3,288 3,562 4,110 5,343 5,480 6,576 7,124 8,220 8,905 10,686 10,960 14,248 16,440 17,810 21,372 26,715 28,496 32,880 35,620 42,744 53,430 71,240 85,488 106,860 142,480 213,720 and 427,440, with no remainder.

Since 427,440 cannot be divided by just 1 and 427,440, 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).