What is the Greatest Common Factor of 71445 and 71465?

Greatest common factor (GCF) of 71445 and 71465 is 5.

GCF(71445,71465) = 5

We will now calculate the prime factors of 71445 and 71465, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71445 and 71465.

How to find the GCF of 71445 and 71465?

We will first find the prime factorization of 71445 and 71465. After we will calculate the factors of 71445 and 71465 and find the biggest common factor number .

Step-1: Prime Factorization of 71445

Prime factors of 71445 are 3, 5, 11, 433. Prime factorization of 71445 in exponential form is:

71445 = 3¹ × 5¹ × 11¹ × 433¹

Step-2: Prime Factorization of 71465

Prime factors of 71465 are 5, 14293. Prime factorization of 71465 in exponential form is:

71465 = 5¹ × 14293¹

Step-3: Factors of 71445

List of positive integer factors of 71445 that divides 71445 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 433, 1299, 2165, 4763, 6495, 14289, 23815

Step-4: Factors of 71465

List of positive integer factors of 71465 that divides 71445 without a remainder.

1, 5, 14293

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71445 and 71465. The biggest common factor number is the GCF number.
So the greatest common factor 71445 and 71465 is 5.

Also check out the Least Common Multiple of 71445 and 71465