Q: Is 138,621,912 a Composite Number?

Why is 138,621,912 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 138,621,912 can be evenly divided by 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 169 239 264 286 312 338 429 478 507 572 676 717 858 956 1,014 1,144 1,352 1,434 1,716 1,859 1,912 2,028 2,197 2,629 2,868 3,107 3,432 3,718 4,056 4,394 5,258 5,577 5,736 6,214 6,591 7,436 7,887 8,788 9,321 10,516 11,154 12,428 13,182 14,872 15,774 17,576 18,642 21,032 22,308 24,167 24,856 26,364 31,548 34,177 37,284 40,391 44,616 48,334 52,728 63,096 68,354 72,501 74,568 80,782 96,668 102,531 121,173 136,708 145,002 161,564 193,336 205,062 242,346 273,416 290,004 323,128 410,124 444,301 484,692 525,083 580,008 820,248 888,602 969,384 1,050,166 1,332,903 1,575,249 1,777,204 2,100,332 2,665,806 3,150,498 3,554,408 4,200,664 5,331,612 5,775,913 6,300,996 10,663,224 11,551,826 12,601,992 17,327,739 23,103,652 34,655,478 46,207,304 69,310,956 and 138,621,912, with no remainder.

Since 138,621,912 cannot be divided by just 1 and 138,621,912, 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).