What is the Greatest Common Factor of 70426 and 70440?

Greatest common factor (GCF) of 70426 and 70440 is 2.

GCF(70426,70440) = 2

We will now calculate the prime factors of 70426 and 70440, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70426 and 70440.

How to find the GCF of 70426 and 70440?

We will first find the prime factorization of 70426 and 70440. After we will calculate the factors of 70426 and 70440 and find the biggest common factor number .

Step-1: Prime Factorization of 70426

Prime factors of 70426 are 2, 23, 1531. Prime factorization of 70426 in exponential form is:

70426 = 2¹ × 23¹ × 1531¹

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 70426

List of positive integer factors of 70426 that divides 70426 without a remainder.

1, 2, 23, 46, 1531, 3062, 35213

Step-4: Factors of 70440

List of positive integer factors of 70440 that divides 70426 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 70426 and 70440. The biggest common factor number is the GCF number.
So the greatest common factor 70426 and 70440 is 2.

Also check out the Least Common Multiple of 70426 and 70440