Q: Is 398,720 a Composite Number?

 A: Yes, 398,720 is a composite number.

Why is 398,720 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 398,720 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 89 112 128 140 160 178 224 280 320 356 445 448 560 623 640 712 890 896 1,120 1,246 1,424 1,780 2,240 2,492 2,848 3,115 3,560 4,480 4,984 5,696 6,230 7,120 9,968 11,392 12,460 14,240 19,936 24,920 28,480 39,872 49,840 56,960 79,744 99,680 199,360 and 398,720, with no remainder.

Since 398,720 cannot be divided by just 1 and 398,720, it is a composite number.


More Examples

Number 398,718398,719398,721398,722
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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