What is the Greatest Common Factor of 42766 and 42770?

Greatest common factor (GCF) of 42766 and 42770 is 2.

GCF(42766,42770) = 2

We will now calculate the prime factors of 42766 and 42770, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42766 and 42770.

How to find the GCF of 42766 and 42770?

We will first find the prime factorization of 42766 and 42770. After we will calculate the factors of 42766 and 42770 and find the biggest common factor number .

Step-1: Prime Factorization of 42766

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

42766 = 2¹ × 21383¹

Step-2: Prime Factorization of 42770

Prime factors of 42770 are 2, 5, 7, 13, 47. Prime factorization of 42770 in exponential form is:

42770 = 2¹ × 5¹ × 7¹ × 13¹ × 47¹

Step-3: Factors of 42766

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

1, 2, 21383

Step-4: Factors of 42770

List of positive integer factors of 42770 that divides 42766 without a remainder.

1, 2, 5, 7, 10, 13, 14, 26, 35, 47, 65, 70, 91, 94, 130, 182, 235, 329, 455, 470, 611, 658, 910, 1222, 1645, 3055, 3290, 4277, 6110, 8554, 21385

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42766 and 42770. The biggest common factor number is the GCF number.
So the greatest common factor 42766 and 42770 is 2.

Also check out the Least Common Multiple of 42766 and 42770