What is the Greatest Common Factor of 19902 and 19907?

Greatest common factor (GCF) of 19902 and 19907 is 1.

GCF(19902,19907) = 1

We will now calculate the prime factors of 19902 and 19907, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 19902 and 19907.

How to find the GCF of 19902 and 19907?

We will first find the prime factorization of 19902 and 19907. After we will calculate the factors of 19902 and 19907 and find the biggest common factor number .

Step-1: Prime Factorization of 19902

Prime factors of 19902 are 2, 3, 31, 107. Prime factorization of 19902 in exponential form is:

19902 = 2¹ × 3¹ × 31¹ × 107¹

Step-2: Prime Factorization of 19907

Prime factors of 19907 are 17, 1171. Prime factorization of 19907 in exponential form is:

19907 = 17¹ × 1171¹

Step-3: Factors of 19902

List of positive integer factors of 19902 that divides 19902 without a remainder.

1, 2, 3, 6, 31, 62, 93, 107, 186, 214, 321, 642, 3317, 6634, 9951

Step-4: Factors of 19907

List of positive integer factors of 19907 that divides 19902 without a remainder.

1, 17, 1171

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 19902 and 19907. The biggest common factor number is the GCF number.
So the greatest common factor 19902 and 19907 is 1.

Also check out the Least Common Multiple of 19902 and 19907