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 428, 435 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 428 and 435 is 1.
GCF(428,435) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 428
2 | 428 |
2 | 214 |
107 | 107 |
1 |
Prime factors of 428 are 2,107. Prime factorization of 428 in exponential form is:
428 = 22×1071
Prime Factorization of 435
3 | 435 |
5 | 145 |
29 | 29 |
1 |
Prime factors of 435 are 3,5,29. Prime factorization of 435 in exponential form is:
435 = 31×51×291
∴ So by taking common prime factors GCF of 428 and 435 is 1
Factors of 428
List of positive integer factors of 428 that divides 428 without a remainder.
1,2,4,107,214,428
Factors of 435
List of positive integer factors of 435 that divides 435 without a remainder.
1,3,5,15,29,87,145,435
Greatest Common Factor
We found the factors and prime factorization of 428 and 435. The biggest common factor number is the GCF number.
So the greatest common factor 428 and 435 is 1.
Also check out the Least Common Multiple of 428 and 435
(i) The GCF of 428 and 435 is associative
GCF of 428 and 435 = GCF of 435 and 428
1. What is the GCF of 428 and 435?
Answer: GCF of 428 and 435 is 1.
2. What are the Factors of 428?
Answer: Factors of 428 are 1, 2, 4, 107, 214, 428. There are 6 integers that are factors of 428. The greatest factor of 428 is 428.
3. What are the Factors of 435?
Answer: Factors of 435 are 1, 3, 5, 15, 29, 87, 145, 435. There are 8 integers that are factors of 435. The greatest factor of 435 is 435.
4. How to Find the GCF of 428 and 435?
Answer:
Greatest Common Factor of 428 and 435 = 1
Step 1: Find the prime factorization of 428
428 = 2 x 2 x 107
Step 2: Find the prime factorization of 435
435 = 3 x 5 x 29
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 428 and 435 is 1