Q: Is 15,146,220 a Composite Number?

Why is 15,146,220 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 15,146,220 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 41 47 60 82 94 123 131 141 164 188 205 235 246 262 282 393 410 470 492 524 564 615 655 705 786 820 940 1,230 1,310 1,410 1,572 1,927 1,965 2,460 2,620 2,820 3,854 3,930 5,371 5,781 6,157 7,708 7,860 9,635 10,742 11,562 12,314 16,113 18,471 19,270 21,484 23,124 24,628 26,855 28,905 30,785 32,226 36,942 38,540 53,710 57,810 61,570 64,452 73,884 80,565 92,355 107,420 115,620 123,140 161,130 184,710 252,437 322,260 369,420 504,874 757,311 1,009,748 1,262,185 1,514,622 2,524,370 3,029,244 3,786,555 5,048,740 7,573,110 and 15,146,220, with no remainder.

Since 15,146,220 cannot be divided by just 1 and 15,146,220, 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).