Q: Is 478,187,840 a Composite Number?

Why is 478,187,840 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 478,187,840 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 71 80 104 130 142 160 208 260 284 320 355 416 520 568 710 832 923 1,040 1,136 1,420 1,619 1,846 2,080 2,272 2,840 3,238 3,692 4,160 4,544 4,615 5,680 6,476 7,384 8,095 9,230 11,360 12,952 14,768 16,190 18,460 21,047 22,720 25,904 29,536 32,380 36,920 42,094 51,808 59,072 64,760 73,840 84,188 103,616 105,235 114,949 129,520 147,680 168,376 210,470 229,898 259,040 295,360 336,752 420,940 459,796 518,080 574,745 673,504 841,880 919,592 1,149,490 1,347,008 1,494,337 1,683,760 1,839,184 2,298,980 2,988,674 3,367,520 3,678,368 4,597,960 5,977,348 6,735,040 7,356,736 7,471,685 9,195,920 11,954,696 14,943,370 18,391,840 23,909,392 29,886,740 36,783,680 47,818,784 59,773,480 95,637,568 119,546,960 239,093,920 and 478,187,840, with no remainder.

Since 478,187,840 cannot be divided by just 1 and 478,187,840, 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).