What is the Greatest Common Factor of 422 and 430?
Greatest common factor (GCF) of 422 and 430 is 2.
GCF(422,430) = 2
We will now calculate the prime factors of 422 and 430, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 422 and 430.
How to find the GCF of 422 and 430?
We will first find the prime factorization of 422 and 430. After we will calculate the factors of 422 and 430 and find the biggest common factor number .
Step-1: Prime Factorization of 422
Prime factors of 422 are 2, 211. Prime factorization of 422 in exponential form is:
422 = 21 × 2111
Step-2: Prime Factorization of 430
Prime factors of 430 are 2, 5, 43. Prime factorization of 430 in exponential form is:
430 = 21 × 51 × 431
Step-3: Factors of 422
List of positive integer factors of 422 that divides 422 without a remainder.
1, 2, 211
Step-4: Factors of 430
List of positive integer factors of 430 that divides 422 without a remainder.
1, 2, 5, 10, 43, 86, 215
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 422 and 430. The biggest common factor number is the GCF number.
So the greatest common factor 422 and 430 is 2.
Also check out the Least Common Multiple of 422 and 430
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