Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 397, 401 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 397 and 401 is 1.
GCF(397,401) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 397
397 | 397 |
1 |
Prime factors of 397 are 397. Prime factorization of 397 in exponential form is:
397 = 3971
Prime Factorization of 401
401 | 401 |
1 |
Prime factors of 401 are 401.Prime factorization of 401 in exponential form is:
401 = 4011
∴ So by taking common prime factors GCF of 397 and 401 is 1
Factors of 397
List of positive integer factors of 397 that divides 397 without a remainder.
1,397
Factors of 401
List of positive integer factors of 401 that divides 401 without a remainder.
1,401
Greatest Common Factor
We found the factors and prime factorization of 397 and 401. The biggest common factor number is the GCF number.
So the greatest common factor 397 and 401 is 1.
Also check out the Least Common Multiple of 397 and 401
(i) The GCF of 397 and 401 is associative
GCF of 397 and 401 = GCF of 401 and 397
1. What is the GCF of 397 and 401?
Answer: GCF of 397 and 401 is 1.
2. What are the Factors of 397?
Answer: Factors of 397 are 1, 397. There are 2 integers that are factors of 397. The greatest factor of 397 is 397.
3. What are the Factors of 401?
Answer: Factors of 401 are 1, 401. There are 2 integers that are factors of 401. The greatest factor of 401 is 401.
4. How to Find the GCF of 397 and 401?
Answer:
Greatest Common Factor of 397 and 401 = 1
Step 1: Find the prime factorization of 397
397 = 397
Step 2: Find the prime factorization of 401
401 = 401
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 397 and 401 is 1