What is the Greatest Common Factor of 70040 and 70060?

Greatest common factor (GCF) of 70040 and 70060 is 20.

GCF(70040,70060) = 20

We will now calculate the prime factors of 70040 and 70060, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70040 and 70060.

How to find the GCF of 70040 and 70060?

We will first find the prime factorization of 70040 and 70060. After we will calculate the factors of 70040 and 70060 and find the biggest common factor number .

Step-1: Prime Factorization of 70040

Prime factors of 70040 are 2, 5, 17, 103. Prime factorization of 70040 in exponential form is:

70040 = 2³ × 5¹ × 17¹ × 103¹

Step-2: Prime Factorization of 70060

Prime factors of 70060 are 2, 5, 31, 113. Prime factorization of 70060 in exponential form is:

70060 = 2² × 5¹ × 31¹ × 113¹

Step-3: Factors of 70040

List of positive integer factors of 70040 that divides 70040 without a remainder.

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 206, 340, 412, 515, 680, 824, 1030, 1751, 2060, 3502, 4120, 7004, 8755, 14008, 17510, 35020

Step-4: Factors of 70060

List of positive integer factors of 70060 that divides 70040 without a remainder.

1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1130, 2260, 3503, 7006, 14012, 17515, 35030

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70040 and 70060. The biggest common factor number is the GCF number.
So the greatest common factor 70040 and 70060 is 20.

Also check out the Least Common Multiple of 70040 and 70060