What is the Greatest Common Factor of 67981 and 67991?
Greatest common factor (GCF) of 67981 and 67991 is 1.
GCF(67981,67991) = 1
We will now calculate the prime factors of 67981 and 67991, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67981 and 67991.
How to find the GCF of 67981 and 67991?
We will first find the prime factorization of 67981 and 67991. After we will calculate the factors of 67981 and 67991 and find the biggest common factor number .
Step-1: Prime Factorization of 67981
Prime factors of 67981 are 157, 433. Prime factorization of 67981 in exponential form is:
67981 = 1571 × 4331
Step-2: Prime Factorization of 67991
Prime factors of 67991 are 7, 11, 883. Prime factorization of 67991 in exponential form is:
67991 = 71 × 111 × 8831
Step-3: Factors of 67981
List of positive integer factors of 67981 that divides 67981 without a remainder.
1, 157, 433
Step-4: Factors of 67991
List of positive integer factors of 67991 that divides 67981 without a remainder.
1, 7, 11, 77, 883, 6181, 9713
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 67981 and 67991. The biggest common factor number is the GCF number.
So the greatest common factor 67981 and 67991 is 1.
Also check out the Least Common Multiple of 67981 and 67991
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