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 1580, 1588 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1580 and 1588 is 4.
GCF(1580,1588) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1580
2 | 1580 |
2 | 790 |
5 | 395 |
79 | 79 |
1 |
Prime factors of 1580 are 2,5,79. Prime factorization of 1580 in exponential form is:
1580 = 22×51×791
Prime Factorization of 1588
2 | 1588 |
2 | 794 |
397 | 397 |
1 |
Prime factors of 1588 are 2,397. Prime factorization of 1588 in exponential form is:
1588 = 22×3971
∴ So by taking common prime factors GCF of 1580 and 1588 is 4
Factors of 1580
List of positive integer factors of 1580 that divides 1580 without a remainder.
1,2,4,5,10,20,79,158,316,395,790,1580
Factors of 1588
List of positive integer factors of 1588 that divides 1588 without a remainder.
1,2,4,397,794,1588
Greatest Common Factor
We found the factors and prime factorization of 1580 and 1588. The biggest common factor number is the GCF number.
So the greatest common factor 1580 and 1588 is 4.
Also check out the Least Common Multiple of 1580 and 1588
(i) The GCF of 1580 and 1588 is associative
GCF of 1580 and 1588 = GCF of 1588 and 1580
1. What is the GCF of 1580 and 1588?
Answer: GCF of 1580 and 1588 is 4.
2. What are the Factors of 1580?
Answer: Factors of 1580 are 1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580. There are 12 integers that are factors of 1580. The greatest factor of 1580 is 1580.
3. What are the Factors of 1588?
Answer: Factors of 1588 are 1, 2, 4, 397, 794, 1588. There are 6 integers that are factors of 1588. The greatest factor of 1588 is 1588.
4. How to Find the GCF of 1580 and 1588?
Answer:
Greatest Common Factor of 1580 and 1588 = 4
Step 1: Find the prime factorization of 1580
1580 = 2 x 2 x 5 x 79
Step 2: Find the prime factorization of 1588
1588 = 2 x 2 x 397
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 1580 and 1588 is 4