Q: Is 4,121,640 a Composite Number?

Why is 4,121,640 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 4,121,640 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 107 120 180 214 321 360 428 535 642 856 963 1,070 1,284 1,605 1,926 2,140 2,568 3,210 3,852 4,280 4,815 6,420 7,704 9,630 11,449 12,840 19,260 22,898 34,347 38,520 45,796 57,245 68,694 91,592 103,041 114,490 137,388 171,735 206,082 228,980 274,776 343,470 412,164 457,960 515,205 686,940 824,328 1,030,410 1,373,880 2,060,820 and 4,121,640, with no remainder.

Since 4,121,640 cannot be divided by just 1 and 4,121,640, 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).