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 423, 431 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 423 and 431 is 1.
GCF(423,431) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 423
3 | 423 |
3 | 141 |
47 | 47 |
1 |
Prime factors of 423 are 3,47. Prime factorization of 423 in exponential form is:
423 = 32×471
Prime Factorization of 431
431 | 431 |
1 |
Prime factors of 431 are 431. Prime factorization of 431 in exponential form is:
431 = 4311
∴ So by taking common prime factors GCF of 423 and 431 is 1
Factors of 423
List of positive integer factors of 423 that divides 423 without a remainder.
1,3,9,47,141,423
Factors of 431
List of positive integer factors of 431 that divides 431 without a remainder.
1,431
Greatest Common Factor
We found the factors and prime factorization of 423 and 431. The biggest common factor number is the GCF number.
So the greatest common factor 423 and 431 is 1.
Also check out the Least Common Multiple of 423 and 431
(i) The GCF of 423 and 431 is associative
GCF of 423 and 431 = GCF of 431 and 423
1. What is the GCF of 423 and 431?
Answer: GCF of 423 and 431 is 1.
2. What are the Factors of 423?
Answer: Factors of 423 are 1, 3, 9, 47, 141, 423. There are 6 integers that are factors of 423. The greatest factor of 423 is 423.
3. What are the Factors of 431?
Answer: Factors of 431 are 1, 431. There are 2 integers that are factors of 431. The greatest factor of 431 is 431.
4. How to Find the GCF of 423 and 431?
Answer:
Greatest Common Factor of 423 and 431 = 1
Step 1: Find the prime factorization of 423
423 = 3 x 3 x 47
Step 2: Find the prime factorization of 431
431 = 431
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 423 and 431 is 1