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What is the Greatest Common Factor of 153 and 160?

Greatest common factor (GCF) of 153 and 160 is 1.

GCF(153,160) = 1

We will now calculate the prime factors of 153 and 160, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 153 and 160.

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How to find the GCF of 153 and 160?

We will first find the prime factorization of 153 and 160. After we will calculate the factors of 153 and 160 and find the biggest common factor number .

Step-1: Prime Factorization of 153

Prime factors of 153 are 3, 17. Prime factorization of 153 in exponential form is:

153 = 32 × 171

Step-2: Prime Factorization of 160

Prime factors of 160 are 2, 5. Prime factorization of 160 in exponential form is:

160 = 25 × 51

Step-3: Factors of 153

List of positive integer factors of 153 that divides 153 without a remainder.

1, 3, 9, 17, 51

Step-4: Factors of 160

List of positive integer factors of 160 that divides 153 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 153 and 160. The biggest common factor number is the GCF number.
So the greatest common factor 153 and 160 is 1.

Also check out the Least Common Multiple of 153 and 160