What is the Greatest Common Factor of 1710 and 1720?

Greatest common factor (GCF) of 1710 and 1720 is 10.

GCF(1710,1720) = 10

We will now calculate the prime factors of 1710 and 1720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1710 and 1720.

How to find the GCF of 1710 and 1720?

We will first find the prime factorization of 1710 and 1720. After we will calculate the factors of 1710 and 1720 and find the biggest common factor number .

Step-1: Prime Factorization of 1710

Prime factors of 1710 are 2, 3, 5, 19. Prime factorization of 1710 in exponential form is:

1710 = 2¹ × 3² × 5¹ × 19¹

Step-2: Prime Factorization of 1720

Prime factors of 1720 are 2, 5, 43. Prime factorization of 1720 in exponential form is:

1720 = 2³ × 5¹ × 43¹

Step-3: Factors of 1710

List of positive integer factors of 1710 that divides 1710 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855

Step-4: Factors of 1720

List of positive integer factors of 1720 that divides 1710 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1710 and 1720. The biggest common factor number is the GCF number.
So the greatest common factor 1710 and 1720 is 10.

Also check out the Least Common Multiple of 1710 and 1720