What is the Greatest Common Factor of 19706 and 19710?

Greatest common factor (GCF) of 19706 and 19710 is 2.

GCF(19706,19710) = 2

We will now calculate the prime factors of 19706 and 19710, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19706 and 19710.

How to find the GCF of 19706 and 19710?

We will first find the prime factorization of 19706 and 19710. After we will calculate the factors of 19706 and 19710 and find the biggest common factor number .

Step-1: Prime Factorization of 19706

Prime factors of 19706 are 2, 59, 167. Prime factorization of 19706 in exponential form is:

19706 = 2¹ × 59¹ × 167¹

Step-2: Prime Factorization of 19710

Prime factors of 19710 are 2, 3, 5, 73. Prime factorization of 19710 in exponential form is:

19710 = 2¹ × 3³ × 5¹ × 73¹

Step-3: Factors of 19706

List of positive integer factors of 19706 that divides 19706 without a remainder.

1, 2, 59, 118, 167, 334, 9853

Step-4: Factors of 19710

List of positive integer factors of 19710 that divides 19706 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1095, 1314, 1971, 2190, 3285, 3942, 6570, 9855

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19706 and 19710. The biggest common factor number is the GCF number.
So the greatest common factor 19706 and 19710 is 2.

Also check out the Least Common Multiple of 19706 and 19710