What is the Greatest Common Factor of 40078 and 40082?

Greatest common factor (GCF) of 40078 and 40082 is 2.

GCF(40078,40082) = 2

We will now calculate the prime factors of 40078 and 40082, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40078 and 40082.

How to find the GCF of 40078 and 40082?

We will first find the prime factorization of 40078 and 40082. After we will calculate the factors of 40078 and 40082 and find the biggest common factor number .

Step-1: Prime Factorization of 40078

Prime factors of 40078 are 2, 29, 691. Prime factorization of 40078 in exponential form is:

40078 = 2¹ × 29¹ × 691¹

Step-2: Prime Factorization of 40082

Prime factors of 40082 are 2, 7, 409. Prime factorization of 40082 in exponential form is:

40082 = 2¹ × 7² × 409¹

Step-3: Factors of 40078

List of positive integer factors of 40078 that divides 40078 without a remainder.

1, 2, 29, 58, 691, 1382, 20039

Step-4: Factors of 40082

List of positive integer factors of 40082 that divides 40078 without a remainder.

1, 2, 7, 14, 49, 98, 409, 818, 2863, 5726, 20041

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40078 and 40082. The biggest common factor number is the GCF number.
So the greatest common factor 40078 and 40082 is 2.

Also check out the Least Common Multiple of 40078 and 40082