3 x 3 x 3 x 3 x 5 = 405
2 x 3 x 3 x 3 x 3 x 3 = 486
3 x 3 x 3 x 3 = 81, the GCF
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To answer GCF and LCM questions.
You need at least two numbers to find a GCF. The prime factorization of 207 is 3 x 3 x 23.
The prime factorization of 9 is 32 You need at least two numbers to find a GCF.
41 is a prime number which makes 41 the gcf of 41 and 82
It is: 4