What is the Greatest Common Factor of 74770 and 74778?

Greatest common factor (GCF) of 74770 and 74778 is 2.

GCF(74770,74778) = 2

We will now calculate the prime factors of 74770 and 74778, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74770 and 74778.

How to find the GCF of 74770 and 74778?

We will first find the prime factorization of 74770 and 74778. After we will calculate the factors of 74770 and 74778 and find the biggest common factor number .

Step-1: Prime Factorization of 74770

Prime factors of 74770 are 2, 5, 7477. Prime factorization of 74770 in exponential form is:

74770 = 2¹ × 5¹ × 7477¹

Step-2: Prime Factorization of 74778

Prime factors of 74778 are 2, 3, 11, 103. Prime factorization of 74778 in exponential form is:

74778 = 2¹ × 3¹ × 11² × 103¹

Step-3: Factors of 74770

List of positive integer factors of 74770 that divides 74770 without a remainder.

1, 2, 5, 10, 7477, 14954, 37385

Step-4: Factors of 74778

List of positive integer factors of 74778 that divides 74770 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 103, 121, 206, 242, 309, 363, 618, 726, 1133, 2266, 3399, 6798, 12463, 24926, 37389

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74770 and 74778. The biggest common factor number is the GCF number.
So the greatest common factor 74770 and 74778 is 2.

Also check out the Least Common Multiple of 74770 and 74778