What is the Greatest Common Factor of 39640 and 39649?
Greatest common factor (GCF) of 39640 and 39649 is 1.
GCF(39640,39649) = 1
We will now calculate the prime factors of 39640 and 39649, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39640 and 39649.
How to find the GCF of 39640 and 39649?
We will first find the prime factorization of 39640 and 39649. After we will calculate the factors of 39640 and 39649 and find the biggest common factor number .
Step-1: Prime Factorization of 39640
Prime factors of 39640 are 2, 5, 991. Prime factorization of 39640 in exponential form is:
39640 = 23 × 51 × 9911
Step-2: Prime Factorization of 39649
Prime factors of 39649 are 31, 1279. Prime factorization of 39649 in exponential form is:
39649 = 311 × 12791
Step-3: Factors of 39640
List of positive integer factors of 39640 that divides 39640 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 19820
Step-4: Factors of 39649
List of positive integer factors of 39649 that divides 39640 without a remainder.
1, 31, 1279
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 39640 and 39649. The biggest common factor number is the GCF number.
So the greatest common factor 39640 and 39649 is 1.
Also check out the Least Common Multiple of 39640 and 39649
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