What is the Greatest Common Factor of 40072 and 40078?

Greatest common factor (GCF) of 40072 and 40078 is 2.

GCF(40072,40078) = 2

We will now calculate the prime factors of 40072 and 40078, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40072 and 40078.

How to find the GCF of 40072 and 40078?

We will first find the prime factorization of 40072 and 40078. After we will calculate the factors of 40072 and 40078 and find the biggest common factor number .

Step-1: Prime Factorization of 40072

Prime factors of 40072 are 2, 5009. Prime factorization of 40072 in exponential form is:

40072 = 2³ × 5009¹

Step-2: 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-3: Factors of 40072

List of positive integer factors of 40072 that divides 40072 without a remainder.

1, 2, 4, 8, 5009, 10018, 20036

Step-4: Factors of 40078

List of positive integer factors of 40078 that divides 40072 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40072 and 40078. The biggest common factor number is the GCF number.
So the greatest common factor 40072 and 40078 is 2.

Also check out the Least Common Multiple of 40072 and 40078