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 462, 465 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 462 and 465 is 3.
GCF(462,465) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 462
2 | 462 |
3 | 231 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 462 are 2,3,7,11. Prime factorization of 462 in exponential form is:
462 = 21×31×71×111
Prime Factorization of 465
3 | 465 |
5 | 155 |
31 | 31 |
1 |
Prime factors of 465 are 3,5,31. Prime factorization of 465 in exponential form is:
465 = 31×51×311
∴ So by taking common prime factors GCF of 462 and 465 is 3
Factors of 462
List of positive integer factors of 462 that divides 462 without a remainder.
1,2,3,6,7,11,14,21,22,33,42,66,77,154,231,462
Factors of 465
List of positive integer factors of 465 that divides 465 without a remainder.
1,3,5,15,31,93,155,465
Greatest Common Factor
We found the factors and prime factorization of 462 and 465. The biggest common factor number is the GCF number.
So the greatest common factor 462 and 465 is 3.
Also check out the Least Common Multiple of 462 and 465
(i) The GCF of 462 and 465 is associative
GCF of 462 and 465 = GCF of 465 and 462
1. What is the GCF of 462 and 465?
Answer: GCF of 462 and 465 is 3.
2. What are the Factors of 462?
Answer: Factors of 462 are 1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462. There are 16 integers that are factors of 462. The greatest factor of 462 is 462.
3. What are the Factors of 465?
Answer: Factors of 465 are 1, 3, 5, 15, 31, 93, 155, 465. There are 8 integers that are factors of 465. The greatest factor of 465 is 465.
4. How to Find the GCF of 462 and 465?
Answer:
Greatest Common Factor of 462 and 465 = 3
Step 1: Find the prime factorization of 462
462 = 2 x 3 x 7 x 11
Step 2: Find the prime factorization of 465
465 = 3 x 5 x 31
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 462 and 465 is 3