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What is the Greatest Common Factor of 30170 and 30188?

Greatest common factor (GCF) of 30170 and 30188 is 2.

GCF(30170,30188) = 2

We will now calculate the prime factors of 30170 and 30188, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30170 and 30188.

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How to find the GCF of 30170 and 30188?

We will first find the prime factorization of 30170 and 30188. After we will calculate the factors of 30170 and 30188 and find the biggest common factor number .

Step-1: Prime Factorization of 30170

Prime factors of 30170 are 2, 5, 7, 431. Prime factorization of 30170 in exponential form is:

30170 = 21 × 51 × 71 × 4311

Step-2: Prime Factorization of 30188

Prime factors of 30188 are 2, 7547. Prime factorization of 30188 in exponential form is:

30188 = 22 × 75471

Step-3: Factors of 30170

List of positive integer factors of 30170 that divides 30170 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 431, 862, 2155, 3017, 4310, 6034, 15085

Step-4: Factors of 30188

List of positive integer factors of 30188 that divides 30170 without a remainder.

1, 2, 4, 7547, 15094

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30170 and 30188. The biggest common factor number is the GCF number.
So the greatest common factor 30170 and 30188 is 2.

Also check out the Least Common Multiple of 30170 and 30188