Q: Is 2,415,420 a Composite Number?

Why is 2,415,420 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 2,415,420 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 71 81 84 90 105 108 126 135 140 142 162 180 189 210 213 243 252 270 284 315 324 355 378 405 420 426 486 497 540 567 630 639 710 756 810 852 945 972 994 1,065 1,134 1,215 1,260 1,278 1,420 1,491 1,620 1,701 1,890 1,917 1,988 2,130 2,268 2,430 2,485 2,556 2,835 2,982 3,195 3,402 3,780 3,834 4,260 4,473 4,860 4,970 5,670 5,751 5,964 6,390 6,804 7,455 7,668 8,505 8,946 9,585 9,940 11,340 11,502 12,780 13,419 14,910 17,010 17,253 17,892 19,170 22,365 23,004 26,838 28,755 29,820 34,020 34,506 38,340 40,257 44,730 53,676 57,510 67,095 69,012 80,514 86,265 89,460 115,020 120,771 134,190 161,028 172,530 201,285 241,542 268,380 345,060 402,570 483,084 603,855 805,140 1,207,710 and 2,415,420, with no remainder.

Since 2,415,420 cannot be divided by just 1 and 2,415,420, 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).