Q: Is 420,343,040 a Composite Number?

Why is 420,343,040 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 420,343,040 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 520 640 832 1,040 1,280 1,664 2,080 3,328 4,160 8,320 16,640 25,261 50,522 101,044 126,305 202,088 252,610 328,393 404,176 505,220 656,786 808,352 1,010,440 1,313,572 1,616,704 1,641,965 2,020,880 2,627,144 3,233,408 3,283,930 4,041,760 5,254,288 6,466,816 6,567,860 8,083,520 10,508,576 13,135,720 16,167,040 21,017,152 26,271,440 32,334,080 42,034,304 52,542,880 84,068,608 105,085,760 210,171,520 and 420,343,040, with no remainder.

Since 420,343,040 cannot be divided by just 1 and 420,343,040, 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).