What is the Greatest Common Factor of 70436 and 70440?

Greatest common factor (GCF) of 70436 and 70440 is 4.

GCF(70436,70440) = 4

We will now calculate the prime factors of 70436 and 70440, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70436 and 70440.

How to find the GCF of 70436 and 70440?

We will first find the prime factorization of 70436 and 70440. After we will calculate the factors of 70436 and 70440 and find the biggest common factor number .

Step-1: Prime Factorization of 70436

Prime factors of 70436 are 2, 17609. Prime factorization of 70436 in exponential form is:

70436 = 2² × 17609¹

Step-2: Prime Factorization of 70440

Prime factors of 70440 are 2, 3, 5, 587. Prime factorization of 70440 in exponential form is:

70440 = 2³ × 3¹ × 5¹ × 587¹

Step-3: Factors of 70436

List of positive integer factors of 70436 that divides 70436 without a remainder.

1, 2, 4, 17609, 35218

Step-4: Factors of 70440

List of positive integer factors of 70440 that divides 70436 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 587, 1174, 1761, 2348, 2935, 3522, 4696, 5870, 7044, 8805, 11740, 14088, 17610, 23480, 35220

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70436 and 70440. The biggest common factor number is the GCF number.
So the greatest common factor 70436 and 70440 is 4.

Also check out the Least Common Multiple of 70436 and 70440