Q: Is 25,020,009 a Prime Number?

 A: No, 25,020,009 is not a prime number.

Why is 25,020,009 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 25020009 can be evenly divided by 1 3 7 9 21 27 63 81 189 243 567 729 1,701 4,903 5,103 14,709 34,321 44,127 102,963 132,381 308,889 397,143 926,667 1,191,429 2,780,001 3,574,287 8,340,003 and 25,020,009, with no remainder.

Since 25,020,009 cannot be divided by just 1 and 25,020,009, it is not a prime number.


More Examples

Number 25,020,00725,020,00825,020,01025,020,011
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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