What is the Greatest Common Factor of 673 and 690?
Greatest common factor (GCF) of 673 and 690 is 1.
GCF(673,690) = 1
We will now calculate the prime factors of 673 and 690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 673 and 690.
How to find the GCF of 673 and 690?
We will first find the prime factorization of 673 and 690. After we will calculate the factors of 673 and 690 and find the biggest common factor number .
Step-1: Prime Factorization of 673
Prime factors of 673 are 673. Prime factorization of 673 in exponential form is:
673 = 6731
Step-2: Prime Factorization of 690
Prime factors of 690 are 2, 3, 5, 23. Prime factorization of 690 in exponential form is:
690 = 21 × 31 × 51 × 231
Step-3: Factors of 673
List of positive integer factors of 673 that divides 673 without a remainder.
1
Step-4: Factors of 690
List of positive integer factors of 690 that divides 673 without a remainder.
1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 673 and 690. The biggest common factor number is the GCF number.
So the greatest common factor 673 and 690 is 1.
Also check out the Least Common Multiple of 673 and 690
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