What is the Greatest Common Factor of 10420 and 10426?

Greatest common factor (GCF) of 10420 and 10426 is 2.

GCF(10420,10426) = 2

We will now calculate the prime factors of 10420 and 10426, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10420 and 10426.

How to find the GCF of 10420 and 10426?

We will first find the prime factorization of 10420 and 10426. After we will calculate the factors of 10420 and 10426 and find the biggest common factor number .

Step-1: Prime Factorization of 10420

Prime factors of 10420 are 2, 5, 521. Prime factorization of 10420 in exponential form is:

10420 = 2² × 5¹ × 521¹

Step-2: Prime Factorization of 10426

Prime factors of 10426 are 2, 13, 401. Prime factorization of 10426 in exponential form is:

10426 = 2¹ × 13¹ × 401¹

Step-3: Factors of 10420

List of positive integer factors of 10420 that divides 10420 without a remainder.

1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210

Step-4: Factors of 10426

List of positive integer factors of 10426 that divides 10420 without a remainder.

1, 2, 13, 26, 401, 802, 5213

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10420 and 10426. The biggest common factor number is the GCF number.
So the greatest common factor 10420 and 10426 is 2.

Also check out the Least Common Multiple of 10420 and 10426