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 1421, 1423 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1421 and 1423 is 1.
GCF(1421,1423) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1421
7 | 1421 |
7 | 203 |
29 | 29 |
1 |
Prime factors of 1421 are 7,29. Prime factorization of 1421 in exponential form is:
1421 = 72×291
Prime Factorization of 1423
1423 | 1423 |
1 |
Prime factors of 1423 are 1423. Prime factorization of 1423 in exponential form is:
1423 = 14231
∴ So by taking common prime factors GCF of 1421 and 1423 is 1
Factors of 1421
List of positive integer factors of 1421 that divides 1421 without a remainder.
1,7,29,49,203,1421
Factors of 1423
List of positive integer factors of 1423 that divides 1423 without a remainder.
1,1423
Greatest Common Factor
We found the factors and prime factorization of 1421 and 1423. The biggest common factor number is the GCF number.
So the greatest common factor 1421 and 1423 is 1.
Also check out the Least Common Multiple of 1421 and 1423
(i) The GCF of 1421 and 1423 is associative
GCF of 1421 and 1423 = GCF of 1423 and 1421
1. What is the GCF of 1421 and 1423?
Answer: GCF of 1421 and 1423 is 1.
2. What are the Factors of 1421?
Answer: Factors of 1421 are 1, 7, 29, 49, 203, 1421. There are 6 integers that are factors of 1421. The greatest factor of 1421 is 1421.
3. What are the Factors of 1423?
Answer: Factors of 1423 are 1, 1423. There are 2 integers that are factors of 1423. The greatest factor of 1423 is 1423.
4. How to Find the GCF of 1421 and 1423?
Answer:
Greatest Common Factor of 1421 and 1423 = 1
Step 1: Find the prime factorization of 1421
1421 = 7 x 7 x 29
Step 2: Find the prime factorization of 1423
1423 = 1423
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 1421 and 1423 is 1