What is the Greatest Common Factor of 80840 and 80858?

Greatest common factor (GCF) of 80840 and 80858 is 2.

GCF(80840,80858) = 2

We will now calculate the prime factors of 80840 and 80858, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80840 and 80858.

How to find the GCF of 80840 and 80858?

We will first find the prime factorization of 80840 and 80858. After we will calculate the factors of 80840 and 80858 and find the biggest common factor number .

Step-1: Prime Factorization of 80840

Prime factors of 80840 are 2, 5, 43, 47. Prime factorization of 80840 in exponential form is:

80840 = 2³ × 5¹ × 43¹ × 47¹

Step-2: Prime Factorization of 80858

Prime factors of 80858 are 2, 40429. Prime factorization of 80858 in exponential form is:

80858 = 2¹ × 40429¹

Step-3: Factors of 80840

List of positive integer factors of 80840 that divides 80840 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 940, 1720, 1880, 2021, 4042, 8084, 10105, 16168, 20210, 40420

Step-4: Factors of 80858

List of positive integer factors of 80858 that divides 80840 without a remainder.

1, 2, 40429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80840 and 80858. The biggest common factor number is the GCF number.
So the greatest common factor 80840 and 80858 is 2.

Also check out the Least Common Multiple of 80840 and 80858