The GCF is 5.
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The GCF for 15 30 45 is 15.The GCF is 15.It is: 15
The GCF is 5.
Since 15 is a factor of 45, it is automatically the GCF.
The multiples of 15 are 15, 30, 45, 60, 75, 90 The LCM of 15 and 90 is 90. The factors of 15 are 1, 3, 5, 15 The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 The GCF is 15.
The greatest common factor of 45 and 320 is 5.