What is the Greatest Common Factor of 650 and 661?
Greatest common factor (GCF) of 650 and 661 is 1.
GCF(650,661) = 1
We will now calculate the prime factors of 650 and 661, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 650 and 661.
How to find the GCF of 650 and 661?
We will first find the prime factorization of 650 and 661. After we will calculate the factors of 650 and 661 and find the biggest common factor number .
Step-1: Prime Factorization of 650
Prime factors of 650 are 2, 5, 13. Prime factorization of 650 in exponential form is:
650 = 21 × 52 × 131
Step-2: Prime Factorization of 661
Prime factors of 661 are 661. Prime factorization of 661 in exponential form is:
661 = 6611
Step-3: Factors of 650
List of positive integer factors of 650 that divides 650 without a remainder.
1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325
Step-4: Factors of 661
List of positive integer factors of 661 that divides 650 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 650 and 661. The biggest common factor number is the GCF number.
So the greatest common factor 650 and 661 is 1.
Also check out the Least Common Multiple of 650 and 661
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