What is the Greatest Common Factor of 61871 and 61887?

Greatest common factor (GCF) of 61871 and 61887 is 1.

GCF(61871,61887) = 1

We will now calculate the prime factors of 61871 and 61887, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61871 and 61887.

How to find the GCF of 61871 and 61887?

We will first find the prime factorization of 61871 and 61887. After we will calculate the factors of 61871 and 61887 and find the biggest common factor number .

Step-1: Prime Factorization of 61871

Prime factors of 61871 are 61871. Prime factorization of 61871 in exponential form is:

61871 = 61871¹

Step-2: Prime Factorization of 61887

Prime factors of 61887 are 3, 7, 421. Prime factorization of 61887 in exponential form is:

61887 = 3¹ × 7² × 421¹

Step-3: Factors of 61871

List of positive integer factors of 61871 that divides 61871 without a remainder.

Step-4: Factors of 61887

List of positive integer factors of 61887 that divides 61871 without a remainder.

1, 3, 7, 21, 49, 147, 421, 1263, 2947, 8841, 20629

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61871 and 61887. The biggest common factor number is the GCF number.
So the greatest common factor 61871 and 61887 is 1.

Also check out the Least Common Multiple of 61871 and 61887