What is the lowest positive integer with exactly 13 factors, both the number and 1 count as a factor.

Thanks

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- Aug 25th 2008, 09:00 AMreagan3ncpositive integer with 13 factors
What is the lowest positive integer with exactly 13 factors, both the number and 1 count as a factor.

Thanks - Aug 25th 2008, 10:06 AMSoroban
Hello, reagan3nc!

Quote:

What is the lowest positive integer with exactly 13 factors?

Both the number and 1 count as factors.

Most numbers have an**even**number of divisors.

When factoring, the divisors appear in__pairs__.

. .

The only numbers with an**odd**number of factors are__squares__.

. .

The least integer with 13 divisors is: .

. . The divisors are: .