What is the Greatest Common Factor of 685 and 699?
Greatest common factor (GCF) of 685 and 699 is 1.
GCF(685,699) = 1
We will now calculate the prime factors of 685 and 699, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 685 and 699.
How to find the GCF of 685 and 699?
We will first find the prime factorization of 685 and 699. After we will calculate the factors of 685 and 699 and find the biggest common factor number .
Step-1: Prime Factorization of 685
Prime factors of 685 are 5, 137. Prime factorization of 685 in exponential form is:
685 = 51 × 1371
Step-2: Prime Factorization of 699
Prime factors of 699 are 3, 233. Prime factorization of 699 in exponential form is:
699 = 31 × 2331
Step-3: Factors of 685
List of positive integer factors of 685 that divides 685 without a remainder.
1, 5, 137
Step-4: Factors of 699
List of positive integer factors of 699 that divides 685 without a remainder.
1, 3, 233
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 685 and 699. The biggest common factor number is the GCF number.
So the greatest common factor 685 and 699 is 1.
Also check out the Least Common Multiple of 685 and 699
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