Q: Is 168,425,640 a Composite Number?

Why is 168,425,640 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 168,425,640 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 90 120 180 199 360 398 597 796 995 1,194 1,592 1,791 1,990 2,351 2,388 2,985 3,582 3,980 4,702 4,776 5,970 7,053 7,164 7,960 8,955 9,404 11,755 11,940 14,106 14,328 17,910 18,808 21,159 23,510 23,880 28,212 35,265 35,820 42,318 47,020 56,424 70,530 71,640 84,636 94,040 105,795 141,060 169,272 211,590 282,120 423,180 467,849 846,360 935,698 1,403,547 1,871,396 2,339,245 2,807,094 3,742,792 4,210,641 4,678,490 5,614,188 7,017,735 8,421,282 9,356,980 11,228,376 14,035,470 16,842,564 18,713,960 21,053,205 28,070,940 33,685,128 42,106,410 56,141,880 84,212,820 and 168,425,640, with no remainder.

Since 168,425,640 cannot be divided by just 1 and 168,425,640, 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).