What is the Greatest Common Factor of 97840 and 97858?

Greatest common factor (GCF) of 97840 and 97858 is 2.

GCF(97840,97858) = 2

We will now calculate the prime factors of 97840 and 97858, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97840 and 97858.

How to find the GCF of 97840 and 97858?

We will first find the prime factorization of 97840 and 97858. After we will calculate the factors of 97840 and 97858 and find the biggest common factor number .

Step-1: Prime Factorization of 97840

Prime factors of 97840 are 2, 5, 1223. Prime factorization of 97840 in exponential form is:

97840 = 2⁴ × 5¹ × 1223¹

Step-2: Prime Factorization of 97858

Prime factors of 97858 are 2, 113, 433. Prime factorization of 97858 in exponential form is:

97858 = 2¹ × 113¹ × 433¹

Step-3: Factors of 97840

List of positive integer factors of 97840 that divides 97840 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1223, 2446, 4892, 6115, 9784, 12230, 19568, 24460, 48920

Step-4: Factors of 97858

List of positive integer factors of 97858 that divides 97840 without a remainder.

1, 2, 113, 226, 433, 866, 48929

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97840 and 97858. The biggest common factor number is the GCF number.
So the greatest common factor 97840 and 97858 is 2.

Also check out the Least Common Multiple of 97840 and 97858