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 421, 426 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 421 and 426 is 1.
GCF(421,426) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 421
421 | 421 |
1 |
Prime factors of 421 are 421. Prime factorization of 421 in exponential form is:
421 = 4211
Prime Factorization of 426
2 | 426 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 426 are 2.Prime factorization of 426 in exponential form is:
426 = 21×31×711
∴ So by taking common prime factors GCF of 421 and 426 is 1
Factors of 421
List of positive integer factors of 421 that divides 421 without a remainder.
1,421
Factors of 426
List of positive integer factors of 426 that divides 426 without a remainder.
1,2,3,6,71,142,213,426
Greatest Common Factor
We found the factors and prime factorization of 421 and 426. The biggest common factor number is the GCF number.
So the greatest common factor 421 and 426 is 1.
Also check out the Least Common Multiple of 421 and 426
(i) The GCF of 421 and 426 is associative
GCF of 421 and 426 = GCF of 426 and 421
1. What is the GCF of 421 and 426?
Answer: GCF of 421 and 426 is 1.
2. What are the Factors of 421?
Answer: Factors of 421 are 1, 421. There are 2 integers that are factors of 421. The greatest factor of 421 is 421.
3. What are the Factors of 426?
Answer: Factors of 426 are 1, 2, 3, 6, 71, 142, 213, 426. There are 8 integers that are factors of 426. The greatest factor of 426 is 426.
4. How to Find the GCF of 421 and 426?
Answer:
Greatest Common Factor of 421 and 426 = 1
Step 1: Find the prime factorization of 421
421 = 421
Step 2: Find the prime factorization of 426
426 = 2 x 3 x 71
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 421 and 426 is 1