What is the Greatest Common Factor of 42903 and 42907?

Greatest common factor (GCF) of 42903 and 42907 is 1.

GCF(42903,42907) = 1

We will now calculate the prime factors of 42903 and 42907, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42903 and 42907.

How to find the GCF of 42903 and 42907?

We will first find the prime factorization of 42903 and 42907. After we will calculate the factors of 42903 and 42907 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 42907

Prime factors of 42907 are 107, 401. Prime factorization of 42907 in exponential form is:

42907 = 107¹ × 401¹

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 42907

List of positive integer factors of 42907 that divides 42903 without a remainder.

1, 107, 401

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42903 and 42907. The biggest common factor number is the GCF number.
So the greatest common factor 42903 and 42907 is 1.

Also check out the Least Common Multiple of 42903 and 42907