Because 7 is prime, the highest, lowest and only common factor of 15 and 7 is 1 (one).
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The factors of 15 are: 1, 3, 5, 15The factors of 28 are: 1, 2, 4, 7, 14, 28The common factors are: 1The Greatest Common Factor (GCF) is: 1
When a fraction is reduced to lowest terms, the only factor that the numerator and denominator have in common is 1. For example, the fraction 7/15 is reduced to lowest terms. The factors of 7 are 1 and 7, and the factors of 15 are 1, 3, 5 and 15. The only factor they have in common is 1.
The common factors of 50 and 15 are 1 & 5.
The LCM is the product of the two divided by the GCF Factors of 15 are [3 5] Factors of 70 are [2 5 7] Common factor is [5] (15 * 70) / 5 = 210 ■
Common factors of 52 and 7 are: 1.