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What is the Greatest Common Factor of 30422 and 30440?

Greatest common factor (GCF) of 30422 and 30440 is 2.

GCF(30422,30440) = 2

We will now calculate the prime factors of 30422 and 30440, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30422 and 30440.

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How to find the GCF of 30422 and 30440?

We will first find the prime factorization of 30422 and 30440. After we will calculate the factors of 30422 and 30440 and find the biggest common factor number .

Step-1: Prime Factorization of 30422

Prime factors of 30422 are 2, 7, 41, 53. Prime factorization of 30422 in exponential form is:

30422 = 21 × 71 × 411 × 531

Step-2: Prime Factorization of 30440

Prime factors of 30440 are 2, 5, 761. Prime factorization of 30440 in exponential form is:

30440 = 23 × 51 × 7611

Step-3: Factors of 30422

List of positive integer factors of 30422 that divides 30422 without a remainder.

1, 2, 7, 14, 41, 53, 82, 106, 287, 371, 574, 742, 2173, 4346, 15211

Step-4: Factors of 30440

List of positive integer factors of 30440 that divides 30422 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 15220

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30422 and 30440. The biggest common factor number is the GCF number.
So the greatest common factor 30422 and 30440 is 2.

Also check out the Least Common Multiple of 30422 and 30440