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What is the Greatest Common Factor of 30470 and 30486?

Greatest common factor (GCF) of 30470 and 30486 is 2.

GCF(30470,30486) = 2

We will now calculate the prime factors of 30470 and 30486, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30470 and 30486.

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How to find the GCF of 30470 and 30486?

We will first find the prime factorization of 30470 and 30486. After we will calculate the factors of 30470 and 30486 and find the biggest common factor number .

Step-1: Prime Factorization of 30470

Prime factors of 30470 are 2, 5, 11, 277. Prime factorization of 30470 in exponential form is:

30470 = 21 × 51 × 111 × 2771

Step-2: Prime Factorization of 30486

Prime factors of 30486 are 2, 3, 5081. Prime factorization of 30486 in exponential form is:

30486 = 21 × 31 × 50811

Step-3: Factors of 30470

List of positive integer factors of 30470 that divides 30470 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 1385, 2770, 3047, 6094, 15235

Step-4: Factors of 30486

List of positive integer factors of 30486 that divides 30470 without a remainder.

1, 2, 3, 6, 5081, 10162, 15243

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30470 and 30486. The biggest common factor number is the GCF number.
So the greatest common factor 30470 and 30486 is 2.

Also check out the Least Common Multiple of 30470 and 30486