Q: Is 42,100,020 a Composite Number?

Why is 42,100,020 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 42,100,020 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 53 54 60 90 106 108 135 159 180 212 265 270 318 477 530 540 636 795 954 1,060 1,431 1,471 1,590 1,908 2,385 2,862 2,942 3,180 4,413 4,770 5,724 5,884 7,155 7,355 8,826 9,540 13,239 14,310 14,710 17,652 22,065 26,478 28,620 29,420 39,717 44,130 52,956 66,195 77,963 79,434 88,260 132,390 155,926 158,868 198,585 233,889 264,780 311,852 389,815 397,170 467,778 701,667 779,630 794,340 935,556 1,169,445 1,403,334 1,559,260 2,105,001 2,338,890 2,806,668 3,508,335 4,210,002 4,677,780 7,016,670 8,420,004 10,525,005 14,033,340 21,050,010 and 42,100,020, with no remainder.

Since 42,100,020 cannot be divided by just 1 and 42,100,020, 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).