What is the Greatest Common Factor of 7870 and 7889?

Greatest common factor (GCF) of 7870 and 7889 is 1.

GCF(7870,7889) = 1

We will now calculate the prime factors of 7870 and 7889, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7870 and 7889.

How to find the GCF of 7870 and 7889?

We will first find the prime factorization of 7870 and 7889. After we will calculate the factors of 7870 and 7889 and find the biggest common factor number .

Step-1: Prime Factorization of 7870

Prime factors of 7870 are 2, 5, 787. Prime factorization of 7870 in exponential form is:

7870 = 2¹ × 5¹ × 787¹

Step-2: Prime Factorization of 7889

Prime factors of 7889 are 7, 23. Prime factorization of 7889 in exponential form is:

7889 = 7³ × 23¹

Step-3: Factors of 7870

List of positive integer factors of 7870 that divides 7870 without a remainder.

1, 2, 5, 10, 787, 1574, 3935

Step-4: Factors of 7889

List of positive integer factors of 7889 that divides 7870 without a remainder.

1, 7, 23, 49, 161, 343, 1127

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7870 and 7889. The biggest common factor number is the GCF number.
So the greatest common factor 7870 and 7889 is 1.

Also check out the Least Common Multiple of 7870 and 7889