GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1711 and 1720?

Greatest common factor (GCF) of 1711 and 1720 is 1.

GCF(1711,1720) = 1

We will now calculate the prime factors of 1711 and 1720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1711 and 1720.

GCF Calculator and
and

How to find the GCF of 1711 and 1720?

We will first find the prime factorization of 1711 and 1720. After we will calculate the factors of 1711 and 1720 and find the biggest common factor number .

Step-1: Prime Factorization of 1711

Prime factors of 1711 are 29, 59. Prime factorization of 1711 in exponential form is:

1711 = 291 × 591

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 1711

List of positive integer factors of 1711 that divides 1711 without a remainder.

1, 29, 59

Step-4: Factors of 1720

List of positive integer factors of 1720 that divides 1711 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 1711 and 1720. The biggest common factor number is the GCF number.
So the greatest common factor 1711 and 1720 is 1.

Also check out the Least Common Multiple of 1711 and 1720