1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
1, 3, 5, 7, 15, 21, 35, 105
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The factors of 75 are: 1, 3, 5, 15, 25, 75 The factors of 90 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105
The GCF of 90 and 105 is 5. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90. The factors of 105 are 1, 3, 5, 7, 15, 21, 35, and 105. The common factors are 1, 3, 5, and 15. Therefore, the greatest common factor is 15. The greatest common factor can also be determined from the prime factors, multiplying the common prime factors together. The prime factors of 90 are 2, 3, 3, and 5. The prime factors of 105 are 3, 5, and 7. The common prime factors are 3 and 5, so the greatest common factor is 3 x 5 = 15.
The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105.
All Factors of 105: 1, 3, 5, 7, 15, 21, 35, 105.
Factors for 45 are: 1, 3, 5, 9, 15, 45 Factors for 105 are: 1, 3, 5, 7, 15, 21, 35, 105