Q: Is 25,115,440 a Composite Number?

Why is 25,115,440 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 25,115,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 43 49 56 70 80 86 98 112 140 149 172 196 215 245 280 298 301 344 392 430 490 560 596 602 688 745 784 860 980 1,043 1,192 1,204 1,490 1,505 1,720 1,960 2,086 2,107 2,384 2,408 2,980 3,010 3,440 3,920 4,172 4,214 4,816 5,215 5,960 6,020 6,407 7,301 8,344 8,428 10,430 10,535 11,920 12,040 12,814 14,602 16,688 16,856 20,860 21,070 24,080 25,628 29,204 32,035 33,712 36,505 41,720 42,140 44,849 51,256 58,408 64,070 73,010 83,440 84,280 89,698 102,512 116,816 128,140 146,020 168,560 179,396 224,245 256,280 292,040 313,943 358,792 448,490 512,560 584,080 627,886 717,584 896,980 1,255,772 1,569,715 1,793,960 2,511,544 3,139,430 3,587,920 5,023,088 6,278,860 12,557,720 and 25,115,440, with no remainder.

Since 25,115,440 cannot be divided by just 1 and 25,115,440, 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).