Q: Is 121,031,625 a Composite Number?

Why is 121,031,625 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 121,031,625 can be evenly divided by 1 3 5 11 13 15 25 33 37 39 55 61 65 75 111 125 143 165 183 185 195 275 305 325 375 407 429 481 555 671 715 793 825 915 925 975 1,221 1,375 1,443 1,525 1,625 2,013 2,035 2,145 2,257 2,379 2,405 2,775 3,355 3,575 3,965 4,125 4,575 4,625 4,875 5,291 6,105 6,771 7,215 7,625 8,723 10,065 10,175 10,725 11,285 11,895 12,025 13,875 15,873 16,775 17,875 19,825 22,875 24,827 26,169 26,455 29,341 30,525 33,855 36,075 43,615 50,325 50,875 53,625 56,425 59,475 60,125 74,481 79,365 83,875 88,023 99,125 124,135 130,845 132,275 146,705 152,625 169,275 180,375 218,075 251,625 282,125 297,375 322,751 372,405 396,825 440,115 620,675 654,225 661,375 733,525 846,375 968,253 1,090,375 1,613,755 1,862,025 1,984,125 2,200,575 3,103,375 3,271,125 3,667,625 4,841,265 8,068,775 9,310,125 11,002,875 24,206,325 40,343,875 and 121,031,625, with no remainder.

Since 121,031,625 cannot be divided by just 1 and 121,031,625, 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).