What is the Greatest Common Factor of 18970 and 18977?
Greatest common factor (GCF) of 18970 and 18977 is 7.
GCF(18970,18977) = 7
We will now calculate the prime factors of 18970 and 18977, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18970 and 18977.
How to find the GCF of 18970 and 18977?
We will first find the prime factorization of 18970 and 18977. After we will calculate the factors of 18970 and 18977 and find the biggest common factor number .
Step-1: Prime Factorization of 18970
Prime factors of 18970 are 2, 5, 7, 271. Prime factorization of 18970 in exponential form is:
18970 = 21 × 51 × 71 × 2711
Step-2: Prime Factorization of 18977
Prime factors of 18977 are 7, 2711. Prime factorization of 18977 in exponential form is:
18977 = 71 × 27111
Step-3: Factors of 18970
List of positive integer factors of 18970 that divides 18970 without a remainder.
1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 1355, 1897, 2710, 3794, 9485
Step-4: Factors of 18977
List of positive integer factors of 18977 that divides 18970 without a remainder.
1, 7, 2711
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 18970 and 18977. The biggest common factor number is the GCF number.
So the greatest common factor 18970 and 18977 is 7.
Also check out the Least Common Multiple of 18970 and 18977
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