What is the Greatest Common Factor of 458 and 470?
Greatest common factor (GCF) of 458 and 470 is 2.
GCF(458,470) = 2
We will now calculate the prime factors of 458 and 470, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 458 and 470.
How to find the GCF of 458 and 470?
We will first find the prime factorization of 458 and 470. After we will calculate the factors of 458 and 470 and find the biggest common factor number .
Step-1: Prime Factorization of 458
Prime factors of 458 are 2, 229. Prime factorization of 458 in exponential form is:
458 = 21 × 2291
Step-2: Prime Factorization of 470
Prime factors of 470 are 2, 5, 47. Prime factorization of 470 in exponential form is:
470 = 21 × 51 × 471
Step-3: Factors of 458
List of positive integer factors of 458 that divides 458 without a remainder.
1, 2, 229
Step-4: Factors of 470
List of positive integer factors of 470 that divides 458 without a remainder.
1, 2, 5, 10, 47, 94, 235
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 458 and 470. The biggest common factor number is the GCF number.
So the greatest common factor 458 and 470 is 2.
Also check out the Least Common Multiple of 458 and 470
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Related Greatest Common Factors of 470
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