What is the Greatest Common Factor of 9865 and 9880?
Greatest common factor (GCF) of 9865 and 9880 is 5.
GCF(9865,9880) = 5
We will now calculate the prime factors of 9865 and 9880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9865 and 9880.
How to find the GCF of 9865 and 9880?
We will first find the prime factorization of 9865 and 9880. After we will calculate the factors of 9865 and 9880 and find the biggest common factor number .
Step-1: Prime Factorization of 9865
Prime factors of 9865 are 5, 1973. Prime factorization of 9865 in exponential form is:
9865 = 51 × 19731
Step-2: Prime Factorization of 9880
Prime factors of 9880 are 2, 5, 13, 19. Prime factorization of 9880 in exponential form is:
9880 = 23 × 51 × 131 × 191
Step-3: Factors of 9865
List of positive integer factors of 9865 that divides 9865 without a remainder.
1, 5, 1973
Step-4: Factors of 9880
List of positive integer factors of 9880 that divides 9865 without a remainder.
1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 9865 and 9880. The biggest common factor number is the GCF number.
So the greatest common factor 9865 and 9880 is 5.
Also check out the Least Common Multiple of 9865 and 9880
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