What is the Greatest Common Factor of 19770 and 19777?

Greatest common factor (GCF) of 19770 and 19777 is 1.

GCF(19770,19777) = 1

We will now calculate the prime factors of 19770 and 19777, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19770 and 19777.

How to find the GCF of 19770 and 19777?

We will first find the prime factorization of 19770 and 19777. After we will calculate the factors of 19770 and 19777 and find the biggest common factor number .

Step-1: Prime Factorization of 19770

Prime factors of 19770 are 2, 3, 5, 659. Prime factorization of 19770 in exponential form is:

19770 = 2¹ × 3¹ × 5¹ × 659¹

Step-2: Prime Factorization of 19777

Prime factors of 19777 are 19777. Prime factorization of 19777 in exponential form is:

19777 = 19777¹

Step-3: Factors of 19770

List of positive integer factors of 19770 that divides 19770 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 659, 1318, 1977, 3295, 3954, 6590, 9885

Step-4: Factors of 19777

List of positive integer factors of 19777 that divides 19770 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19770 and 19777. The biggest common factor number is the GCF number.
So the greatest common factor 19770 and 19777 is 1.

Also check out the Least Common Multiple of 19770 and 19777