Q: Is 1,842,540 a Composite Number?

Why is 1,842,540 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 1,842,540 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 41 42 60 70 82 84 105 107 123 140 164 205 210 214 246 287 321 410 420 428 492 535 574 615 642 749 820 861 1,070 1,148 1,230 1,284 1,435 1,498 1,605 1,722 2,140 2,247 2,460 2,870 2,996 3,210 3,444 3,745 4,305 4,387 4,494 5,740 6,420 7,490 8,610 8,774 8,988 11,235 13,161 14,980 17,220 17,548 21,935 22,470 26,322 30,709 43,870 44,940 52,644 61,418 65,805 87,740 92,127 122,836 131,610 153,545 184,254 263,220 307,090 368,508 460,635 614,180 921,270 and 1,842,540, with no remainder.

Since 1,842,540 cannot be divided by just 1 and 1,842,540, 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).