What is the Greatest Common Factor of 762 and 770?
Greatest common factor (GCF) of 762 and 770 is 2.
GCF(762,770) = 2
We will now calculate the prime factors of 762 and 770, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 762 and 770.
How to find the GCF of 762 and 770?
We will first find the prime factorization of 762 and 770. After we will calculate the factors of 762 and 770 and find the biggest common factor number .
Step-1: Prime Factorization of 762
Prime factors of 762 are 2, 3, 127. Prime factorization of 762 in exponential form is:
762 = 21 × 31 × 1271
Step-2: Prime Factorization of 770
Prime factors of 770 are 2, 5, 7, 11. Prime factorization of 770 in exponential form is:
770 = 21 × 51 × 71 × 111
Step-3: Factors of 762
List of positive integer factors of 762 that divides 762 without a remainder.
1, 2, 3, 6, 127, 254, 381
Step-4: Factors of 770
List of positive integer factors of 770 that divides 762 without a remainder.
1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 762 and 770. The biggest common factor number is the GCF number.
So the greatest common factor 762 and 770 is 2.
Also check out the Least Common Multiple of 762 and 770
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