Q: Is 21,426,210 a Composite Number?

 A: Yes, 21,426,210 is a composite number.

Why is 21,426,210 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 21,426,210 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1,170 18,313 36,626 54,939 91,565 109,878 164,817 183,130 238,069 274,695 329,634 476,138 549,390 714,207 824,085 1,190,345 1,428,414 1,648,170 2,142,621 2,380,690 3,571,035 4,285,242 7,142,070 10,713,105 and 21,426,210, with no remainder.

Since 21,426,210 cannot be divided by just 1 and 21,426,210, it is a composite number.


More Examples

Number 21,426,20821,426,20921,426,21121,426,212
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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