Q: Is 10,421,320 a Composite Number?

Why is 10,421,320 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 10,421,320 can be evenly divided by 1 2 4 5 7 8 10 13 14 20 26 28 35 40 49 52 56 65 70 91 98 104 130 140 182 196 245 260 280 364 392 409 455 490 520 637 728 818 910 980 1,274 1,636 1,820 1,960 2,045 2,548 2,863 3,185 3,272 3,640 4,090 5,096 5,317 5,726 6,370 8,180 10,634 11,452 12,740 14,315 16,360 20,041 21,268 22,904 25,480 26,585 28,630 37,219 40,082 42,536 53,170 57,260 74,438 80,164 100,205 106,340 114,520 148,876 160,328 186,095 200,410 212,680 260,533 297,752 372,190 400,820 521,066 744,380 801,640 1,042,132 1,302,665 1,488,760 2,084,264 2,605,330 5,210,660 and 10,421,320, with no remainder.

Since 10,421,320 cannot be divided by just 1 and 10,421,320, 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).