What is the Greatest Common Factor of 903 and 920?
Greatest common factor (GCF) of 903 and 920 is 1.
GCF(903,920) = 1
We will now calculate the prime factors of 903 and 920, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 903 and 920.
How to find the GCF of 903 and 920?
We will first find the prime factorization of 903 and 920. After we will calculate the factors of 903 and 920 and find the biggest common factor number .
Step-1: Prime Factorization of 903
Prime factors of 903 are 3, 7, 43. Prime factorization of 903 in exponential form is:
903 = 31 × 71 × 431
Step-2: Prime Factorization of 920
Prime factors of 920 are 2, 5, 23. Prime factorization of 920 in exponential form is:
920 = 23 × 51 × 231
Step-3: Factors of 903
List of positive integer factors of 903 that divides 903 without a remainder.
1, 3, 7, 21, 43, 129, 301
Step-4: Factors of 920
List of positive integer factors of 920 that divides 903 without a remainder.
1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 903 and 920. The biggest common factor number is the GCF number.
So the greatest common factor 903 and 920 is 1.
Also check out the Least Common Multiple of 903 and 920
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