GCF and LCM Calculator Logo

What is the Greatest Common Factor of 42749 and 42766?

Greatest common factor (GCF) of 42749 and 42766 is 1.

GCF(42749,42766) = 1

We will now calculate the prime factors of 42749 and 42766, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42749 and 42766.

GCF Calculator and
and

How to find the GCF of 42749 and 42766?

We will first find the prime factorization of 42749 and 42766. After we will calculate the factors of 42749 and 42766 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 42766

Prime factors of 42766 are 2, 21383. Prime factorization of 42766 in exponential form is:

42766 = 21 × 213831

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 42766

List of positive integer factors of 42766 that divides 42749 without a remainder.

1, 2, 21383

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42749 and 42766. The biggest common factor number is the GCF number.
So the greatest common factor 42749 and 42766 is 1.

Also check out the Least Common Multiple of 42749 and 42766