What is the Greatest Common Factor of 81620 and 81629?

Greatest common factor (GCF) of 81620 and 81629 is 1.

GCF(81620,81629) = 1

We will now calculate the prime factors of 81620 and 81629, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81620 and 81629.

How to find the GCF of 81620 and 81629?

We will first find the prime factorization of 81620 and 81629. After we will calculate the factors of 81620 and 81629 and find the biggest common factor number .

Step-1: Prime Factorization of 81620

Prime factors of 81620 are 2, 5, 7, 11, 53. Prime factorization of 81620 in exponential form is:

81620 = 2² × 5¹ × 7¹ × 11¹ × 53¹

Step-2: Prime Factorization of 81629

Prime factors of 81629 are 81629. Prime factorization of 81629 in exponential form is:

81629 = 81629¹

Step-3: Factors of 81620

List of positive integer factors of 81620 that divides 81620 without a remainder.

1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 140, 154, 212, 220, 265, 308, 371, 385, 530, 583, 742, 770, 1060, 1166, 1484, 1540, 1855, 2332, 2915, 3710, 4081, 5830, 7420, 8162, 11660, 16324, 20405, 40810

Step-4: Factors of 81629

List of positive integer factors of 81629 that divides 81620 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81620 and 81629. The biggest common factor number is the GCF number.
So the greatest common factor 81620 and 81629 is 1.

Also check out the Least Common Multiple of 81620 and 81629