What is the Greatest Common Factor of 42749 and 42755?

Greatest common factor (GCF) of 42749 and 42755 is 1.

GCF(42749,42755) = 1

We will now calculate the prime factors of 42749 and 42755, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42749 and 42755.

How to find the GCF of 42749 and 42755?

We will first find the prime factorization of 42749 and 42755. After we will calculate the factors of 42749 and 42755 and find the biggest common factor number .

Step-1: Prime Factorization of 42749

Prime factors of 42749 are 7, 31, 197. Prime factorization of 42749 in exponential form is:

42749 = 7¹ × 31¹ × 197¹

Step-2: Prime Factorization of 42755

Prime factors of 42755 are 5, 17, 503. Prime factorization of 42755 in exponential form is:

42755 = 5¹ × 17¹ × 503¹

Step-3: Factors of 42749

List of positive integer factors of 42749 that divides 42749 without a remainder.

1, 7, 31, 197, 217, 1379, 6107

Step-4: Factors of 42755

List of positive integer factors of 42755 that divides 42749 without a remainder.

1, 5, 17, 85, 503, 2515, 8551

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42749 and 42755. The biggest common factor number is the GCF number.
So the greatest common factor 42749 and 42755 is 1.

Also check out the Least Common Multiple of 42749 and 42755