What is the Greatest Common Factor of 42289 and 42302?

Greatest common factor (GCF) of 42289 and 42302 is 13.

GCF(42289,42302) = 13

We will now calculate the prime factors of 42289 and 42302, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42289 and 42302.

How to find the GCF of 42289 and 42302?

We will first find the prime factorization of 42289 and 42302. After we will calculate the factors of 42289 and 42302 and find the biggest common factor number .

Step-1: Prime Factorization of 42289

Prime factors of 42289 are 13, 3253. Prime factorization of 42289 in exponential form is:

42289 = 13¹ × 3253¹

Step-2: Prime Factorization of 42302

Prime factors of 42302 are 2, 13, 1627. Prime factorization of 42302 in exponential form is:

42302 = 2¹ × 13¹ × 1627¹

Step-3: Factors of 42289

List of positive integer factors of 42289 that divides 42289 without a remainder.

1, 13, 3253

Step-4: Factors of 42302

List of positive integer factors of 42302 that divides 42289 without a remainder.

1, 2, 13, 26, 1627, 3254, 21151

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42289 and 42302. The biggest common factor number is the GCF number.
So the greatest common factor 42289 and 42302 is 13.

Also check out the Least Common Multiple of 42289 and 42302