What is the Greatest Common Factor of 73871 and 73890?

Greatest common factor (GCF) of 73871 and 73890 is 1.

GCF(73871,73890) = 1

We will now calculate the prime factors of 73871 and 73890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 73871 and 73890.

How to find the GCF of 73871 and 73890?

We will first find the prime factorization of 73871 and 73890. After we will calculate the factors of 73871 and 73890 and find the biggest common factor number .

Step-1: Prime Factorization of 73871

Prime factors of 73871 are 7, 61, 173. Prime factorization of 73871 in exponential form is:

73871 = 7¹ × 61¹ × 173¹

Step-2: Prime Factorization of 73890

Prime factors of 73890 are 2, 3, 5, 821. Prime factorization of 73890 in exponential form is:

73890 = 2¹ × 3² × 5¹ × 821¹

Step-3: Factors of 73871

List of positive integer factors of 73871 that divides 73871 without a remainder.

1, 7, 61, 173, 427, 1211, 10553

Step-4: Factors of 73890

List of positive integer factors of 73890 that divides 73871 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 821, 1642, 2463, 4105, 4926, 7389, 8210, 12315, 14778, 24630, 36945

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 73871 and 73890. The biggest common factor number is the GCF number.
So the greatest common factor 73871 and 73890 is 1.

Also check out the Least Common Multiple of 73871 and 73890