What is the Greatest Common Factor of 902 and 921?
Greatest common factor (GCF) of 902 and 921 is 1.
GCF(902,921) = 1
We will now calculate the prime factors of 902 and 921, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 902 and 921.
How to find the GCF of 902 and 921?
We will first find the prime factorization of 902 and 921. After we will calculate the factors of 902 and 921 and find the biggest common factor number .
Step-1: Prime Factorization of 902
Prime factors of 902 are 2, 11, 41. Prime factorization of 902 in exponential form is:
902 = 21 × 111 × 411
Step-2: Prime Factorization of 921
Prime factors of 921 are 3, 307. Prime factorization of 921 in exponential form is:
921 = 31 × 3071
Step-3: Factors of 902
List of positive integer factors of 902 that divides 902 without a remainder.
1, 2, 11, 22, 41, 82, 451
Step-4: Factors of 921
List of positive integer factors of 921 that divides 902 without a remainder.
1, 3, 307
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 902 and 921. The biggest common factor number is the GCF number.
So the greatest common factor 902 and 921 is 1.
Also check out the Least Common Multiple of 902 and 921
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