What is the Greatest Common Factor of 70240 and 70247?

Greatest common factor (GCF) of 70240 and 70247 is 1.

GCF(70240,70247) = 1

We will now calculate the prime factors of 70240 and 70247, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70240 and 70247.

How to find the GCF of 70240 and 70247?

We will first find the prime factorization of 70240 and 70247. After we will calculate the factors of 70240 and 70247 and find the biggest common factor number .

Step-1: Prime Factorization of 70240

Prime factors of 70240 are 2, 5, 439. Prime factorization of 70240 in exponential form is:

70240 = 2⁵ × 5¹ × 439¹

Step-2: Prime Factorization of 70247

Prime factors of 70247 are 199, 353. Prime factorization of 70247 in exponential form is:

70247 = 199¹ × 353¹

Step-3: Factors of 70240

List of positive integer factors of 70240 that divides 70240 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 878, 1756, 2195, 3512, 4390, 7024, 8780, 14048, 17560, 35120

Step-4: Factors of 70247

List of positive integer factors of 70247 that divides 70240 without a remainder.

1, 199, 353

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70240 and 70247. The biggest common factor number is the GCF number.
So the greatest common factor 70240 and 70247 is 1.

Also check out the Least Common Multiple of 70240 and 70247