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What is the Greatest Common Factor of 152 and 158?

Greatest common factor (GCF) of 152 and 158 is 2.

GCF(152,158) = 2

We will now calculate the prime factors of 152 and 158, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 152 and 158.

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How to find the GCF of 152 and 158?

We will first find the prime factorization of 152 and 158. After we will calculate the factors of 152 and 158 and find the biggest common factor number .

Step-1: Prime Factorization of 152

Prime factors of 152 are 2, 19. Prime factorization of 152 in exponential form is:

152 = 23 × 191

Step-2: Prime Factorization of 158

Prime factors of 158 are 2, 79. Prime factorization of 158 in exponential form is:

158 = 21 × 791

Step-3: Factors of 152

List of positive integer factors of 152 that divides 152 without a remainder.

1, 2, 4, 8, 19, 38, 76

Step-4: Factors of 158

List of positive integer factors of 158 that divides 152 without a remainder.

1, 2, 79

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 152 and 158. The biggest common factor number is the GCF number.
So the greatest common factor 152 and 158 is 2.

Also check out the Least Common Multiple of 152 and 158