What is the Greatest Common Factor of 70855 and 70864?

Greatest common factor (GCF) of 70855 and 70864 is 1.

GCF(70855,70864) = 1

We will now calculate the prime factors of 70855 and 70864, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70855 and 70864.

How to find the GCF of 70855 and 70864?

We will first find the prime factorization of 70855 and 70864. After we will calculate the factors of 70855 and 70864 and find the biggest common factor number .

Step-1: Prime Factorization of 70855

Prime factors of 70855 are 5, 37, 383. Prime factorization of 70855 in exponential form is:

70855 = 5¹ × 37¹ × 383¹

Step-2: Prime Factorization of 70864

Prime factors of 70864 are 2, 43, 103. Prime factorization of 70864 in exponential form is:

70864 = 2⁴ × 43¹ × 103¹

Step-3: Factors of 70855

List of positive integer factors of 70855 that divides 70855 without a remainder.

1, 5, 37, 185, 383, 1915, 14171

Step-4: Factors of 70864

List of positive integer factors of 70864 that divides 70855 without a remainder.

1, 2, 4, 8, 16, 43, 86, 103, 172, 206, 344, 412, 688, 824, 1648, 4429, 8858, 17716, 35432

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70855 and 70864. The biggest common factor number is the GCF number.
So the greatest common factor 70855 and 70864 is 1.

Also check out the Least Common Multiple of 70855 and 70864