Q: Is 1,798,440 a Composite Number?

Why is 1,798,440 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 1,798,440 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2,141 4,282 6,423 8,564 10,705 12,846 14,987 17,128 21,410 25,692 29,974 32,115 42,820 44,961 51,384 59,948 64,230 74,935 85,640 89,922 119,896 128,460 149,870 179,844 224,805 256,920 299,740 359,688 449,610 599,480 899,220 and 1,798,440, with no remainder.

Since 1,798,440 cannot be divided by just 1 and 1,798,440, 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).