What is the Greatest Common Factor of 250 and 261?
Greatest common factor (GCF) of 250 and 261 is 1.
GCF(250,261) = 1
We will now calculate the prime factors of 250 and 261, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 250 and 261.
How to find the GCF of 250 and 261?
We will first find the prime factorization of 250 and 261. After we will calculate the factors of 250 and 261 and find the biggest common factor number .
Step-1: Prime Factorization of 250
Prime factors of 250 are 2, 5. Prime factorization of 250 in exponential form is:
250 = 21 × 53
Step-2: Prime Factorization of 261
Prime factors of 261 are 3, 29. Prime factorization of 261 in exponential form is:
261 = 32 × 291
Step-3: Factors of 250
List of positive integer factors of 250 that divides 250 without a remainder.
1, 2, 5, 10, 25, 50, 125
Step-4: Factors of 261
List of positive integer factors of 261 that divides 250 without a remainder.
1, 3, 9, 29, 87
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 250 and 261. The biggest common factor number is the GCF number.
So the greatest common factor 250 and 261 is 1.
Also check out the Least Common Multiple of 250 and 261
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