What is the Greatest Common Factor of 18770 and 18780?

Greatest common factor (GCF) of 18770 and 18780 is 10.

GCF(18770,18780) = 10

We will now calculate the prime factors of 18770 and 18780, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18770 and 18780.

How to find the GCF of 18770 and 18780?

We will first find the prime factorization of 18770 and 18780. After we will calculate the factors of 18770 and 18780 and find the biggest common factor number .

Step-1: Prime Factorization of 18770

Prime factors of 18770 are 2, 5, 1877. Prime factorization of 18770 in exponential form is:

18770 = 2¹ × 5¹ × 1877¹

Step-2: Prime Factorization of 18780

Prime factors of 18780 are 2, 3, 5, 313. Prime factorization of 18780 in exponential form is:

18780 = 2² × 3¹ × 5¹ × 313¹

Step-3: Factors of 18770

List of positive integer factors of 18770 that divides 18770 without a remainder.

1, 2, 5, 10, 1877, 3754, 9385

Step-4: Factors of 18780

List of positive integer factors of 18780 that divides 18770 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 626, 939, 1252, 1565, 1878, 3130, 3756, 4695, 6260, 9390

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18770 and 18780. The biggest common factor number is the GCF number.
So the greatest common factor 18770 and 18780 is 10.

Also check out the Least Common Multiple of 18770 and 18780