What is the Greatest Common Factor of 1757 and 1771?

Greatest common factor (GCF) of 1757 and 1771 is 7.

GCF(1757,1771) = 7

We will now calculate the prime factors of 1757 and 1771, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1757 and 1771.

How to find the GCF of 1757 and 1771?

We will first find the prime factorization of 1757 and 1771. After we will calculate the factors of 1757 and 1771 and find the biggest common factor number .

Step-1: Prime Factorization of 1757

Prime factors of 1757 are 7, 251. Prime factorization of 1757 in exponential form is:

1757 = 7¹ × 251¹

Step-2: Prime Factorization of 1771

Prime factors of 1771 are 7, 11, 23. Prime factorization of 1771 in exponential form is:

1771 = 7¹ × 11¹ × 23¹

Step-3: Factors of 1757

List of positive integer factors of 1757 that divides 1757 without a remainder.

1, 7, 251

Step-4: Factors of 1771

List of positive integer factors of 1771 that divides 1757 without a remainder.

1, 7, 11, 23, 77, 161, 253

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1757 and 1771. The biggest common factor number is the GCF number.
So the greatest common factor 1757 and 1771 is 7.

Also check out the Least Common Multiple of 1757 and 1771