What is the Greatest Common Factor of 78040 and 78046?

Greatest common factor (GCF) of 78040 and 78046 is 2.

GCF(78040,78046) = 2

We will now calculate the prime factors of 78040 and 78046, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78040 and 78046.

How to find the GCF of 78040 and 78046?

We will first find the prime factorization of 78040 and 78046. After we will calculate the factors of 78040 and 78046 and find the biggest common factor number .

Step-1: Prime Factorization of 78040

Prime factors of 78040 are 2, 5, 1951. Prime factorization of 78040 in exponential form is:

78040 = 2³ × 5¹ × 1951¹

Step-2: Prime Factorization of 78046

Prime factors of 78046 are 2, 39023. Prime factorization of 78046 in exponential form is:

78046 = 2¹ × 39023¹

Step-3: Factors of 78040

List of positive integer factors of 78040 that divides 78040 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1951, 3902, 7804, 9755, 15608, 19510, 39020

Step-4: Factors of 78046

List of positive integer factors of 78046 that divides 78040 without a remainder.

1, 2, 39023

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78040 and 78046. The biggest common factor number is the GCF number.
So the greatest common factor 78040 and 78046 is 2.

Also check out the Least Common Multiple of 78040 and 78046