7 is a prime factor of 49. Actually, it is the square root.
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The only prime factor of 49 is seven (7).
49 has one distinct prime factor, two altogether.
The prime factorization of 49 is 7 x 7.7 x 7 = 4949 = 7 x 7
The greatest common factor of 49 and 84 is 7
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.