What is the Greatest Common Factor of 664 and 669?
Greatest common factor (GCF) of 664 and 669 is 1.
GCF(664,669) = 1
We will now calculate the prime factors of 664 and 669, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 664 and 669.
How to find the GCF of 664 and 669?
We will first find the prime factorization of 664 and 669. After we will calculate the factors of 664 and 669 and find the biggest common factor number .
Step-1: Prime Factorization of 664
Prime factors of 664 are 2, 83. Prime factorization of 664 in exponential form is:
664 = 23 × 831
Step-2: Prime Factorization of 669
Prime factors of 669 are 3, 223. Prime factorization of 669 in exponential form is:
669 = 31 × 2231
Step-3: Factors of 664
List of positive integer factors of 664 that divides 664 without a remainder.
1, 2, 4, 8, 83, 166, 332
Step-4: Factors of 669
List of positive integer factors of 669 that divides 664 without a remainder.
1, 3, 223
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 664 and 669. The biggest common factor number is the GCF number.
So the greatest common factor 664 and 669 is 1.
Also check out the Least Common Multiple of 664 and 669
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Related Greatest Common Factors of 669
- GCF of 669 and 673
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