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, 430 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 423 and 430 is 1.
GCF(423,430) = 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 430
2 | 430 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 430 are 2,5,43. Prime factorization of 430 in exponential form is:
430 = 21×51×431
∴ So by taking common prime factors GCF of 423 and 430 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 430
List of positive integer factors of 430 that divides 430 without a remainder.
1,2,5,10,43,86,215,430
Greatest Common Factor
We found the factors and prime factorization of 423 and 430. The biggest common factor number is the GCF number.
So the greatest common factor 423 and 430 is 1.
Also check out the Least Common Multiple of 423 and 430
(i) The GCF of 423 and 430 is associative
GCF of 423 and 430 = GCF of 430 and 423
1. What is the GCF of 423 and 430?
Answer: GCF of 423 and 430 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 430?
Answer: Factors of 430 are 1, 2, 5, 10, 43, 86, 215, 430. There are 8 integers that are factors of 430. The greatest factor of 430 is 430.
4. How to Find the GCF of 423 and 430?
Answer:
Greatest Common Factor of 423 and 430 = 1
Step 1: Find the prime factorization of 423
423 = 3 x 3 x 47
Step 2: Find the prime factorization of 430
430 = 2 x 5 x 43
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 430 is 1