What is the Greatest Common Factor of 918 and 938?
Greatest common factor (GCF) of 918 and 938 is 2.
GCF(918,938) = 2
We will now calculate the prime factors of 918 and 938, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 918 and 938.
How to find the GCF of 918 and 938?
We will first find the prime factorization of 918 and 938. After we will calculate the factors of 918 and 938 and find the biggest common factor number .
Step-1: Prime Factorization of 918
Prime factors of 918 are 2, 3, 17. Prime factorization of 918 in exponential form is:
918 = 21 × 33 × 171
Step-2: Prime Factorization of 938
Prime factors of 938 are 2, 7, 67. Prime factorization of 938 in exponential form is:
938 = 21 × 71 × 671
Step-3: Factors of 918
List of positive integer factors of 918 that divides 918 without a remainder.
1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459
Step-4: Factors of 938
List of positive integer factors of 938 that divides 918 without a remainder.
1, 2, 7, 14, 67, 134, 469
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 918 and 938. The biggest common factor number is the GCF number.
So the greatest common factor 918 and 938 is 2.
Also check out the Least Common Multiple of 918 and 938
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