What is the Greatest Common Factor of 1720 and 1727?

Greatest common factor (GCF) of 1720 and 1727 is 1.

GCF(1720,1727) = 1

We will now calculate the prime factors of 1720 and 1727, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1720 and 1727.

How to find the GCF of 1720 and 1727?

We will first find the prime factorization of 1720 and 1727. After we will calculate the factors of 1720 and 1727 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 1727

Prime factors of 1727 are 11, 157. Prime factorization of 1727 in exponential form is:

1727 = 11¹ × 157¹

Step-3: Factors of 1720

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

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

Step-4: Factors of 1727

List of positive integer factors of 1727 that divides 1720 without a remainder.

1, 11, 157

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1720 and 1727. The biggest common factor number is the GCF number.
So the greatest common factor 1720 and 1727 is 1.

Also check out the Least Common Multiple of 1720 and 1727