Q: Is 390,400 a Composite Number?

 A: Yes, 390,400 is a composite number.

Why is 390,400 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 390,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 61 64 80 100 122 128 160 200 244 256 305 320 400 488 610 640 800 976 1,220 1,280 1,525 1,600 1,952 2,440 3,050 3,200 3,904 4,880 6,100 6,400 7,808 9,760 12,200 15,616 19,520 24,400 39,040 48,800 78,080 97,600 195,200 and 390,400, with no remainder.

Since 390,400 cannot be divided by just 1 and 390,400, it is a composite number.


More Examples

Number 390,398390,399390,401390,402
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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