Q: Is 490,245 a Prime Number?

 A: No, 490,245 is not a prime number.

Why is 490,245 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 490245 can be evenly divided by 1 3 5 7 15 21 23 29 35 49 69 87 105 115 145 147 161 203 245 345 435 483 609 667 735 805 1,015 1,127 1,421 2,001 2,415 3,045 3,335 3,381 4,263 4,669 5,635 7,105 10,005 14,007 16,905 21,315 23,345 32,683 70,035 98,049 163,415 and 490,245, with no remainder.

Since 490,245 cannot be divided by just 1 and 490,245, it is not a prime number.


More Examples

Number 490,243490,244490,246490,247
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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