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 1478, 1480 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1478 and 1480 is 2.
GCF(1478,1480) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1478
2 | 1478 |
739 | 739 |
1 |
Prime factors of 1478 are 2,739. Prime factorization of 1478 in exponential form is:
1478 = 21×7391
Prime Factorization of 1480
2 | 1480 |
2 | 740 |
2 | 370 |
5 | 185 |
37 | 37 |
1 |
Prime factors of 1480 are 2,5,37. Prime factorization of 1480 in exponential form is:
1480 = 23×51×371
∴ So by taking common prime factors GCF of 1478 and 1480 is 2
Factors of 1478
List of positive integer factors of 1478 that divides 1478 without a remainder.
1,2,739,1478
Factors of 1480
List of positive integer factors of 1480 that divides 1480 without a remainder.
1,2,4,5,8,10,20,37,40,74,148,185,296,370,740,1480
Greatest Common Factor
We found the factors and prime factorization of 1478 and 1480. The biggest common factor number is the GCF number.
So the greatest common factor 1478 and 1480 is 2.
Also check out the Least Common Multiple of 1478 and 1480
(i) The GCF of 1478 and 1480 is associative
GCF of 1478 and 1480 = GCF of 1480 and 1478
1. What is the GCF of 1478 and 1480?
Answer: GCF of 1478 and 1480 is 2.
2. What are the Factors of 1478?
Answer: Factors of 1478 are 1, 2, 739, 1478. There are 4 integers that are factors of 1478. The greatest factor of 1478 is 1478.
3. What are the Factors of 1480?
Answer: Factors of 1480 are 1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480. There are 16 integers that are factors of 1480. The greatest factor of 1480 is 1480.
4. How to Find the GCF of 1478 and 1480?
Answer:
Greatest Common Factor of 1478 and 1480 = 2
Step 1: Find the prime factorization of 1478
1478 = 2 x 739
Step 2: Find the prime factorization of 1480
1480 = 2 x 2 x 2 x 5 x 37
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 1478 and 1480 is 2