The factors of 91 are: 1 7 13 91
The prime factors are: 7 and 13
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To identify the GCF of 91 and 78, you first need to break these down into their prime factors: 91 = 7x13 78 = 2x3x13 The next step is to identify any common prime factors. In this case, both numbers have 13 as a prime factor. Thus the greatest common factor of 91 and 78 is 13.
The greatest common factor (GCF) of three numbers is the largest number that divides each of the three numbers without leaving a remainder. To find the GCF of 91, 21, and 49, we need to factorize each number. The prime factors of 91 are 7 and 13, the prime factors of 21 are 3 and 7, and the prime factors of 49 are 7 and 7. The common factor among them is 7, so the GCF of 91, 21, and 49 is 7.
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To find the greatest common factor of three numbers, you need to first express them as the product of their prime factors. In this case, 52 65 and 91 can be expressed as follows: 52 = 2x2x13 65 = 5x13 91 = 7x13 The next step is to identify any common factors. In this case, the only factor which appears in all 3 numbers' prime factors is 13. Thus the greatest common factor of 52, 65 and 91 is 13.
It can be. 91 is a factor of 182.