What is the Greatest Common Factor of 401 and 415?

Greatest common factor (GCF) of 401 and 415 is 1.

GCF(401,415) = 1

We will now calculate the prime factors of 401 and 415, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 401 and 415.

How to find the GCF of 401 and 415?

We will first find the prime factorization of 401 and 415. After we will calculate the factors of 401 and 415 and find the biggest common factor number .

Step-1: Prime Factorization of 401

Prime factors of 401 are 401. Prime factorization of 401 in exponential form is:

401 = 401¹

Step-2: Prime Factorization of 415

Prime factors of 415 are 5, 83. Prime factorization of 415 in exponential form is:

415 = 5¹ × 83¹

Step-3: Factors of 401

List of positive integer factors of 401 that divides 401 without a remainder.

Step-4: Factors of 415

List of positive integer factors of 415 that divides 401 without a remainder.

1, 5, 83

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 401 and 415. The biggest common factor number is the GCF number.
So the greatest common factor 401 and 415 is 1.

Also check out the Least Common Multiple of 401 and 415