Q: Is 429,780 a Composite Number?

Why is 429,780 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 429,780 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 19 20 26 29 30 38 39 52 57 58 60 65 76 78 87 95 114 116 130 145 156 174 190 195 228 247 260 285 290 348 377 380 390 435 494 551 570 580 741 754 780 870 988 1,102 1,131 1,140 1,235 1,482 1,508 1,653 1,740 1,885 2,204 2,262 2,470 2,755 2,964 3,306 3,705 3,770 4,524 4,940 5,510 5,655 6,612 7,163 7,410 7,540 8,265 11,020 11,310 14,326 14,820 16,530 21,489 22,620 28,652 33,060 35,815 42,978 71,630 85,956 107,445 143,260 214,890 and 429,780, with no remainder.

Since 429,780 cannot be divided by just 1 and 429,780, 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).