GCF and LCM Calculator Logo

What is the Greatest Common Factor of 19739 and 19749?

Greatest common factor (GCF) of 19739 and 19749 is 1.

GCF(19739,19749) = 1

We will now calculate the prime factors of 19739 and 19749, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19739 and 19749.

GCF Calculator and
and

How to find the GCF of 19739 and 19749?

We will first find the prime factorization of 19739 and 19749. After we will calculate the factors of 19739 and 19749 and find the biggest common factor number .

Step-1: Prime Factorization of 19739

Prime factors of 19739 are 19739. Prime factorization of 19739 in exponential form is:

19739 = 197391

Step-2: Prime Factorization of 19749

Prime factors of 19749 are 3, 29, 227. Prime factorization of 19749 in exponential form is:

19749 = 31 × 291 × 2271

Step-3: Factors of 19739

List of positive integer factors of 19739 that divides 19739 without a remainder.

1

Step-4: Factors of 19749

List of positive integer factors of 19749 that divides 19739 without a remainder.

1, 3, 29, 87, 227, 681, 6583

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19739 and 19749. The biggest common factor number is the GCF number.
So the greatest common factor 19739 and 19749 is 1.

Also check out the Least Common Multiple of 19739 and 19749