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What is the Greatest Common Factor of 1722 and 1740?

Greatest common factor (GCF) of 1722 and 1740 is 6.

GCF(1722,1740) = 6

We will now calculate the prime factors of 1722 and 1740, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1722 and 1740.

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How to find the GCF of 1722 and 1740?

We will first find the prime factorization of 1722 and 1740. After we will calculate the factors of 1722 and 1740 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 1740

Prime factors of 1740 are 2, 3, 5, 29. Prime factorization of 1740 in exponential form is:

1740 = 22 × 31 × 51 × 291

Step-3: Factors of 1722

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

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

Step-4: Factors of 1740

List of positive integer factors of 1740 that divides 1722 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1722 and 1740. The biggest common factor number is the GCF number.
So the greatest common factor 1722 and 1740 is 6.

Also check out the Least Common Multiple of 1722 and 1740