What is the Greatest Common Factor of 70540 and 70558?

Greatest common factor (GCF) of 70540 and 70558 is 2.

GCF(70540,70558) = 2

We will now calculate the prime factors of 70540 and 70558, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70540 and 70558.

How to find the GCF of 70540 and 70558?

We will first find the prime factorization of 70540 and 70558. After we will calculate the factors of 70540 and 70558 and find the biggest common factor number .

Step-1: Prime Factorization of 70540

Prime factors of 70540 are 2, 5, 3527. Prime factorization of 70540 in exponential form is:

70540 = 2² × 5¹ × 3527¹

Step-2: Prime Factorization of 70558

Prime factors of 70558 are 2, 35279. Prime factorization of 70558 in exponential form is:

70558 = 2¹ × 35279¹

Step-3: Factors of 70540

List of positive integer factors of 70540 that divides 70540 without a remainder.

1, 2, 4, 5, 10, 20, 3527, 7054, 14108, 17635, 35270

Step-4: Factors of 70558

List of positive integer factors of 70558 that divides 70540 without a remainder.

1, 2, 35279

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70540 and 70558. The biggest common factor number is the GCF number.
So the greatest common factor 70540 and 70558 is 2.

Also check out the Least Common Multiple of 70540 and 70558