What is the Greatest Common Factor of 742 and 762?

Greatest common factor (GCF) of 742 and 762 is 2.

GCF(742,762) = 2

We will now calculate the prime factors of 742 and 762, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 742 and 762.

How to find the GCF of 742 and 762?

We will first find the prime factorization of 742 and 762. After we will calculate the factors of 742 and 762 and find the biggest common factor number .

Step-1: Prime Factorization of 742

Prime factors of 742 are 2, 7, 53. Prime factorization of 742 in exponential form is:

742 = 2¹ × 7¹ × 53¹

Step-2: Prime Factorization of 762

Prime factors of 762 are 2, 3, 127. Prime factorization of 762 in exponential form is:

762 = 2¹ × 3¹ × 127¹

Step-3: Factors of 742

List of positive integer factors of 742 that divides 742 without a remainder.

1, 2, 7, 14, 53, 106, 371

Step-4: Factors of 762

List of positive integer factors of 762 that divides 742 without a remainder.

1, 2, 3, 6, 127, 254, 381

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 742 and 762. The biggest common factor number is the GCF number.
So the greatest common factor 742 and 762 is 2.

Also check out the Least Common Multiple of 742 and 762