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The factors of 28 are:1, 2, 4, 7, 14, 28The factors of 42 are:1, 2, 3, 6, 7, 14, 21, 42The factors of 70 are:1, 2, 5, 7, 10, 14, 35, 70The common factors are:1, 2, 7, 14The Greatest Common Factor (GCF) is: 14
No. The prime factors of 140 are 2,2,5 and 7 The prime factors of 210 are 2,3,5 and 7 The common prime factors are 2,5 and 7 Thus the HCF is 2x5x7, or 70.
The factors of 70 are 1, 2, 5, 7, 10, 14, 35, and 70.
The Least Common Multiple (LCM) for 42 70 84 is 420.The Greatest Common Factor (GCF) for 42 70 84 is 14.
10/7 or 1and3/7 The factors of 70 are: 70, 35, 10,7, 2, 1 The factors of 49 are: 49, 7, 1 The lowest common denominator other than 1 of both is 7, so we divide the top and bottom by 7 to get 10/7 or 1 and 3/7.