What is the Greatest Common Factor of 77890 and 77907?

Greatest common factor (GCF) of 77890 and 77907 is 1.

GCF(77890,77907) = 1

We will now calculate the prime factors of 77890 and 77907, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77890 and 77907.

How to find the GCF of 77890 and 77907?

We will first find the prime factorization of 77890 and 77907. After we will calculate the factors of 77890 and 77907 and find the biggest common factor number .

Step-1: Prime Factorization of 77890

Prime factors of 77890 are 2, 5, 7789. Prime factorization of 77890 in exponential form is:

77890 = 2¹ × 5¹ × 7789¹

Step-2: Prime Factorization of 77907

Prime factors of 77907 are 3, 25969. Prime factorization of 77907 in exponential form is:

77907 = 3¹ × 25969¹

Step-3: Factors of 77890

List of positive integer factors of 77890 that divides 77890 without a remainder.

1, 2, 5, 10, 7789, 15578, 38945

Step-4: Factors of 77907

List of positive integer factors of 77907 that divides 77890 without a remainder.

1, 3, 25969

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77890 and 77907. The biggest common factor number is the GCF number.
So the greatest common factor 77890 and 77907 is 1.

Also check out the Least Common Multiple of 77890 and 77907