What is the Greatest Common Factor of 1715 and 1722?

Greatest common factor (GCF) of 1715 and 1722 is 7.

GCF(1715,1722) = 7

We will now calculate the prime factors of 1715 and 1722, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1715 and 1722.

How to find the GCF of 1715 and 1722?

We will first find the prime factorization of 1715 and 1722. After we will calculate the factors of 1715 and 1722 and find the biggest common factor number .

Step-1: Prime Factorization of 1715

Prime factors of 1715 are 5, 7. Prime factorization of 1715 in exponential form is:

1715 = 5¹ × 7³

Step-2: Prime Factorization of 1722

Prime factors of 1722 are 2, 3, 7, 41. Prime factorization of 1722 in exponential form is:

1722 = 2¹ × 3¹ × 7¹ × 41¹

Step-3: Factors of 1715

List of positive integer factors of 1715 that divides 1715 without a remainder.

1, 5, 7, 35, 49, 245, 343

Step-4: Factors of 1722

List of positive integer factors of 1722 that divides 1715 without a remainder.

1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1715 and 1722. The biggest common factor number is the GCF number.
So the greatest common factor 1715 and 1722 is 7.

Also check out the Least Common Multiple of 1715 and 1722