What is the Greatest Common Factor of 9955 and 9961?

Greatest common factor (GCF) of 9955 and 9961 is 1.

GCF(9955,9961) = 1

We will now calculate the prime factors of 9955 and 9961, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9955 and 9961.

How to find the GCF of 9955 and 9961?

We will first find the prime factorization of 9955 and 9961. After we will calculate the factors of 9955 and 9961 and find the biggest common factor number .

Step-1: Prime Factorization of 9955

Prime factors of 9955 are 5, 11, 181. Prime factorization of 9955 in exponential form is:

9955 = 5¹ × 11¹ × 181¹

Step-2: Prime Factorization of 9961

Prime factors of 9961 are 7, 1423. Prime factorization of 9961 in exponential form is:

9961 = 7¹ × 1423¹

Step-3: Factors of 9955

List of positive integer factors of 9955 that divides 9955 without a remainder.

1, 5, 11, 55, 181, 905, 1991

Step-4: Factors of 9961

List of positive integer factors of 9961 that divides 9955 without a remainder.

1, 7, 1423

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9955 and 9961. The biggest common factor number is the GCF number.
So the greatest common factor 9955 and 9961 is 1.

Also check out the Least Common Multiple of 9955 and 9961