What is the Greatest Common Factor of 42998 and 43015?

Greatest common factor (GCF) of 42998 and 43015 is 1.

GCF(42998,43015) = 1

We will now calculate the prime factors of 42998 and 43015, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42998 and 43015.

How to find the GCF of 42998 and 43015?

We will first find the prime factorization of 42998 and 43015. After we will calculate the factors of 42998 and 43015 and find the biggest common factor number .

Step-1: Prime Factorization of 42998

Prime factors of 42998 are 2, 21499. Prime factorization of 42998 in exponential form is:

42998 = 2¹ × 21499¹

Step-2: Prime Factorization of 43015

Prime factors of 43015 are 5, 7, 1229. Prime factorization of 43015 in exponential form is:

43015 = 5¹ × 7¹ × 1229¹

Step-3: Factors of 42998

List of positive integer factors of 42998 that divides 42998 without a remainder.

1, 2, 21499

Step-4: Factors of 43015

List of positive integer factors of 43015 that divides 42998 without a remainder.

1, 5, 7, 35, 1229, 6145, 8603

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42998 and 43015. The biggest common factor number is the GCF number.
So the greatest common factor 42998 and 43015 is 1.

Also check out the Least Common Multiple of 42998 and 43015