What is the Greatest Common Factor of 45278 and 45290?

Greatest common factor (GCF) of 45278 and 45290 is 2.

GCF(45278,45290) = 2

We will now calculate the prime factors of 45278 and 45290, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 45278 and 45290.

How to find the GCF of 45278 and 45290?

We will first find the prime factorization of 45278 and 45290. After we will calculate the factors of 45278 and 45290 and find the biggest common factor number .

Step-1: Prime Factorization of 45278

Prime factors of 45278 are 2, 22639. Prime factorization of 45278 in exponential form is:

45278 = 2¹ × 22639¹

Step-2: Prime Factorization of 45290

Prime factors of 45290 are 2, 5, 7, 647. Prime factorization of 45290 in exponential form is:

45290 = 2¹ × 5¹ × 7¹ × 647¹

Step-3: Factors of 45278

List of positive integer factors of 45278 that divides 45278 without a remainder.

1, 2, 22639

Step-4: Factors of 45290

List of positive integer factors of 45290 that divides 45278 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 647, 1294, 3235, 4529, 6470, 9058, 22645

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 45278 and 45290. The biggest common factor number is the GCF number.
So the greatest common factor 45278 and 45290 is 2.

Also check out the Least Common Multiple of 45278 and 45290