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What is the Greatest Common Factor of 470 and 475?

Greatest common factor (GCF) of 470 and 475 is 5.

GCF(470,475) = 5

We will now calculate the prime factors of 470 and 475, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 470 and 475.

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How to find the GCF of 470 and 475?

We will first find the prime factorization of 470 and 475. After we will calculate the factors of 470 and 475 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 475

Prime factors of 475 are 5, 19. Prime factorization of 475 in exponential form is:

475 = 52 × 191

Step-3: Factors of 470

List of positive integer factors of 470 that divides 470 without a remainder.

1, 2, 5, 10, 47, 94, 235

Step-4: Factors of 475

List of positive integer factors of 475 that divides 470 without a remainder.

1, 5, 19, 25, 95

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 470 and 475. The biggest common factor number is the GCF number.
So the greatest common factor 470 and 475 is 5.

Also check out the Least Common Multiple of 470 and 475