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Greatest Common Factor of 28 and 47

Greatest common factor (GCF) of 28 and 47 is 1.

GCF(28,47) = 1

We will now calculate the prime factors of 28 and 47, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28 and 47.

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Prime Factorization of 28

Prime factors of 28 are 2, 7. Prime factorization of 28 in exponential form is:

28 = 22 × 71

Prime Factorization of 47

Prime factors of 47 are 47. Prime factorization of 47 in exponential form is:

47 = 471

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1, 2, 4, 7, 14

Factors of 47

List of positive integer factors of 47 that divides 28 without a remainder.

1

Greatest Common Factor

We found the factors and prime factorization of 28 and 47. The biggest common factor number is the GCF number.
So the greatest common factor 28 and 47 is 1.

Also check out the Least Common Multiple of 28 and 47

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