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What is the Greatest Common Factor of 150 and 170?

Greatest common factor (GCF) of 150 and 170 is 10.

GCF(150,170) = 10

We will now calculate the prime factors of 150 and 170, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 150 and 170.

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How to find the GCF of 150 and 170?

We will first find the prime factorization of 150 and 170. After we will calculate the factors of 150 and 170 and find the biggest common factor number .

Step-1: Prime Factorization of 150

Prime factors of 150 are 2, 3, 5. Prime factorization of 150 in exponential form is:

150 = 21 × 31 × 52

Step-2: Prime Factorization of 170

Prime factors of 170 are 2, 5, 17. Prime factorization of 170 in exponential form is:

170 = 21 × 51 × 171

Step-3: Factors of 150

List of positive integer factors of 150 that divides 150 without a remainder.

1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75

Step-4: Factors of 170

List of positive integer factors of 170 that divides 150 without a remainder.

1, 2, 5, 10, 17, 34, 85

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 150 and 170. The biggest common factor number is the GCF number.
So the greatest common factor 150 and 170 is 10.

Also check out the Least Common Multiple of 150 and 170