What is the Greatest Common Factor of 69020 and 69040?

Greatest common factor (GCF) of 69020 and 69040 is 20.

GCF(69020,69040) = 20

We will now calculate the prime factors of 69020 and 69040, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69020 and 69040.

How to find the GCF of 69020 and 69040?

We will first find the prime factorization of 69020 and 69040. After we will calculate the factors of 69020 and 69040 and find the biggest common factor number .

Step-1: Prime Factorization of 69020

Prime factors of 69020 are 2, 5, 7, 17, 29. Prime factorization of 69020 in exponential form is:

69020 = 2² × 5¹ × 7¹ × 17¹ × 29¹

Step-2: Prime Factorization of 69040

Prime factors of 69040 are 2, 5, 863. Prime factorization of 69040 in exponential form is:

69040 = 2⁴ × 5¹ × 863¹

Step-3: Factors of 69020

List of positive integer factors of 69020 that divides 69020 without a remainder.

1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 290, 340, 406, 476, 493, 580, 595, 812, 986, 1015, 1190, 1972, 2030, 2380, 2465, 3451, 4060, 4930, 6902, 9860, 13804, 17255, 34510

Step-4: Factors of 69040

List of positive integer factors of 69040 that divides 69020 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 863, 1726, 3452, 4315, 6904, 8630, 13808, 17260, 34520

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69020 and 69040. The biggest common factor number is the GCF number.
So the greatest common factor 69020 and 69040 is 20.

Also check out the Least Common Multiple of 69020 and 69040