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 832, 840 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 832 and 840 is 8.
GCF(832,840) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 832
2 | 832 |
2 | 416 |
2 | 208 |
2 | 104 |
2 | 52 |
2 | 26 |
13 | 13 |
1 |
Prime factors of 832 are 2,13. Prime factorization of 832 in exponential form is:
832 = 26×131
Prime Factorization of 840
2 | 840 |
2 | 420 |
2 | 210 |
3 | 105 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 840 are 2,3,5,7. Prime factorization of 840 in exponential form is:
840 = 23×31×51×71
∴ So by taking common prime factors GCF of 832 and 840 is 8
Factors of 832
List of positive integer factors of 832 that divides 832 without a remainder.
1,2,4,8,13,16,26,32,52,64,104,208,416,832
Factors of 840
List of positive integer factors of 840 that divides 840 without a remainder.
1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840
Greatest Common Factor
We found the factors and prime factorization of 832 and 840. The biggest common factor number is the GCF number.
So the greatest common factor 832 and 840 is 8.
Also check out the Least Common Multiple of 832 and 840
(i) The GCF of 832 and 840 is associative
GCF of 832 and 840 = GCF of 840 and 832
1. What is the GCF of 832 and 840?
Answer: GCF of 832 and 840 is 8.
2. What are the Factors of 832?
Answer: Factors of 832 are 1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832. There are 14 integers that are factors of 832. The greatest factor of 832 is 832.
3. What are the Factors of 840?
Answer: Factors of 840 are 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840. There are 32 integers that are factors of 840. The greatest factor of 840 is 840.
4. How to Find the GCF of 832 and 840?
Answer:
Greatest Common Factor of 832 and 840 = 8
Step 1: Find the prime factorization of 832
832 = 2 x 2 x 2 x 2 x 2 x 2 x 13
Step 2: Find the prime factorization of 840
840 = 2 x 2 x 2 x 3 x 5 x 7
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 x 2 = 8
Step 4: Therefore, the greatest common factor of 832 and 840 is 8