Are you looking for a way to calculate the greatest common factor of 435, 1140 ? Well, you’re in luck! In this article, we will be showing you how to use two different methods to find the GCF of 435, 1140. We also provide a free GCF of Two or More Numbers Calculator to obtain instant results.
Given numbers are 435, 1140
The greatest common factor of 435, 1140 can be found by using the following 2 different methods.
The GCF of 435, 1140 is 15.
Prime factorization is basically division by prime numbers only. Keep dividing all numbers by the same prime number, until the numbers can no longer be divided by a single prime number. Then, multiply all the prime numbers that are on the left side.
3 | 435, 1140 |
5 | 145, 380 |
29, 76 |
∴ Thus, the GCF of given numbers is 3 x 5 = 15
The common factor method requires listing down all the factors of 435,1140 that divide each of these numbers without leaving a remainder. To begin, let us list down the factors
list down the factors of 435
1,3,5,15,29,87,145,435
list down the factors of 1140
1,2,3,4,5,6,10,12,15,19,20,30,38,57,60,76,95,114,190,228,285,380,570,1140
Greatest Common Factor
Once you have listed down the factors, all you have to do is look for the highest factor that appears in all the three aforementioned lists. The greatest number that we can see in all lists is 15 . Therefore, the GCF of 435,1140 is 15
1. What is the GCF of 435, 1140 ?
Answer: GCF of 435, 1140 is 15.
2. How to calculate the GCF of 435, 1140 ?
Answer: You can use two different methods: listing down the factors, and prime factorization. If you want to use the listing method, then simply write down all the factors of 435, 1140. Then, select the greatest number that appears in lists. From this, you will see that the GCF is 15. Next, you can also use the prime factorization method to divide the numbers by prime numbers. Then, multiply the prime numbers on the side to get your answer, which is 15.