What is the Greatest Common Factor of 982 and 990?
Greatest common factor (GCF) of 982 and 990 is 2.
GCF(982,990) = 2
We will now calculate the prime factors of 982 and 990, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 982 and 990.
How to find the GCF of 982 and 990?
We will first find the prime factorization of 982 and 990. After we will calculate the factors of 982 and 990 and find the biggest common factor number .
Step-1: Prime Factorization of 982
Prime factors of 982 are 2, 491. Prime factorization of 982 in exponential form is:
982 = 21 × 4911
Step-2: Prime Factorization of 990
Prime factors of 990 are 2, 3, 5, 11. Prime factorization of 990 in exponential form is:
990 = 21 × 32 × 51 × 111
Step-3: Factors of 982
List of positive integer factors of 982 that divides 982 without a remainder.
1, 2, 491
Step-4: Factors of 990
List of positive integer factors of 990 that divides 982 without a remainder.
1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 982 and 990. The biggest common factor number is the GCF number.
So the greatest common factor 982 and 990 is 2.
Also check out the Least Common Multiple of 982 and 990
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