What is the Greatest Common Factor of 426 and 434?

Greatest common factor (GCF) of 426 and 434 is 2.

GCF(426,434) = 2

We will now calculate the prime factors of 426 and 434, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 426 and 434.

How to find the GCF of 426 and 434?

We will first find the prime factorization of 426 and 434. After we will calculate the factors of 426 and 434 and find the biggest common factor number .

Step-1: Prime Factorization of 426

Prime factors of 426 are 2, 3, 71. Prime factorization of 426 in exponential form is:

426 = 2¹ × 3¹ × 71¹

Step-2: Prime Factorization of 434

Prime factors of 434 are 2, 7, 31. Prime factorization of 434 in exponential form is:

434 = 2¹ × 7¹ × 31¹

Step-3: Factors of 426

List of positive integer factors of 426 that divides 426 without a remainder.

1, 2, 3, 6, 71, 142, 213

Step-4: Factors of 434

List of positive integer factors of 434 that divides 426 without a remainder.

1, 2, 7, 14, 31, 62, 217

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 426 and 434. The biggest common factor number is the GCF number.
So the greatest common factor 426 and 434 is 2.

Also check out the Least Common Multiple of 426 and 434