Q: Is 20,861,760 a Composite Number?

Why is 20,861,760 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 20,861,760 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 155 160 186 192 240 248 310 320 372 465 480 496 620 701 744 930 960 992 1,240 1,402 1,488 1,860 1,984 2,103 2,480 2,804 2,976 3,505 3,720 4,206 4,960 5,608 5,952 7,010 7,440 8,412 9,920 10,515 11,216 14,020 14,880 16,824 21,030 21,731 22,432 28,040 29,760 33,648 42,060 43,462 44,864 56,080 65,193 67,296 84,120 86,924 108,655 112,160 130,386 134,592 168,240 173,848 217,310 224,320 260,772 325,965 336,480 347,696 434,620 521,544 651,930 672,960 695,392 869,240 1,043,088 1,303,860 1,390,784 1,738,480 2,086,176 2,607,720 3,476,960 4,172,352 5,215,440 6,953,920 10,430,880 and 20,861,760, with no remainder.

Since 20,861,760 cannot be divided by just 1 and 20,861,760, 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).