What is the Greatest Common Factor of 77181 and 77190?

Greatest common factor (GCF) of 77181 and 77190 is 3.

GCF(77181,77190) = 3

We will now calculate the prime factors of 77181 and 77190, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77181 and 77190.

How to find the GCF of 77181 and 77190?

We will first find the prime factorization of 77181 and 77190. After we will calculate the factors of 77181 and 77190 and find the biggest common factor number .

Step-1: Prime Factorization of 77181

Prime factors of 77181 are 3, 13, 1979. Prime factorization of 77181 in exponential form is:

77181 = 3¹ × 13¹ × 1979¹

Step-2: Prime Factorization of 77190

Prime factors of 77190 are 2, 3, 5, 31, 83. Prime factorization of 77190 in exponential form is:

77190 = 2¹ × 3¹ × 5¹ × 31¹ × 83¹

Step-3: Factors of 77181

List of positive integer factors of 77181 that divides 77181 without a remainder.

1, 3, 13, 39, 1979, 5937, 25727

Step-4: Factors of 77190

List of positive integer factors of 77190 that divides 77181 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 83, 93, 155, 166, 186, 249, 310, 415, 465, 498, 830, 930, 1245, 2490, 2573, 5146, 7719, 12865, 15438, 25730, 38595

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77181 and 77190. The biggest common factor number is the GCF number.
So the greatest common factor 77181 and 77190 is 3.

Also check out the Least Common Multiple of 77181 and 77190