Yes, ofcourse, a primenumber is a number that can only be divided with itself and 1.(adsbygoogle = window.adsbygoogle || []).push({});

But what do you call a query that has only got two different prime factors?

9 has got the factors 9, 3 and 1. But has only two different prime factors. 9 = 3*3, so the query has got the prime factors 3 and 1.

27 has also only got two prime factors, 3 and 1

aswell as 3.

0 and 1 has got one prime factor

0 1 2 3 4 5 7 8 9 11 13 16.... has got two prime factors etc.

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# A query that has only got two different prime factors

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