What is the Greatest Common Factor of 42903 and 42910?

Greatest common factor (GCF) of 42903 and 42910 is 7.

GCF(42903,42910) = 7

We will now calculate the prime factors of 42903 and 42910, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42903 and 42910.

How to find the GCF of 42903 and 42910?

We will first find the prime factorization of 42903 and 42910. After we will calculate the factors of 42903 and 42910 and find the biggest common factor number .

Step-1: Prime Factorization of 42903

Prime factors of 42903 are 3, 7, 227. Prime factorization of 42903 in exponential form is:

42903 = 3³ × 7¹ × 227¹

Step-2: Prime Factorization of 42910

Prime factors of 42910 are 2, 5, 7, 613. Prime factorization of 42910 in exponential form is:

42910 = 2¹ × 5¹ × 7¹ × 613¹

Step-3: Factors of 42903

List of positive integer factors of 42903 that divides 42903 without a remainder.

1, 3, 7, 9, 21, 27, 63, 189, 227, 681, 1589, 2043, 4767, 6129, 14301

Step-4: Factors of 42910

List of positive integer factors of 42910 that divides 42903 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 613, 1226, 3065, 4291, 6130, 8582, 21455

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42903 and 42910. The biggest common factor number is the GCF number.
So the greatest common factor 42903 and 42910 is 7.

Also check out the Least Common Multiple of 42903 and 42910