Greatest Common Factor of 1380 and 1385

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 1380, 1385 i.e. 5 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1380 and 1385 is 5.

GCF(1380,1385) = 5

GCF of 1380 and 1385

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 1380 and 1385

GCF of 1380 and 1385 is 5

Prime Factorization of 1380


2 1380
2 690
3 345
5 115
23 23
1

Prime factors of 1380 are 2,3,5,23. Prime factorization of 1380 in exponential form is:

1380 = 22×31×51×231

Prime Factorization of 1385


5 1385
277 277
1

Prime factors of 1385 are 5,277. Prime factorization of 1385 in exponential form is:

1385 = 51×2771

∴ So by taking common prime factors GCF of 1380 and 1385 is 5

Greatest Common Factor of 1380 and 1385 by matching factors method

Factors of 1380

List of positive integer factors of 1380 that divides 1380 without a remainder.

1,2,3,4,5,6,10,12,15,20,23,30,46,60,69,92,115,138,230,276,345,460,690,1380

Factors of 1385

List of positive integer factors of 1385 that divides 1385 without a remainder.

1,5,277,1385

Greatest Common Factor

We found the factors and prime factorization of 1380 and 1385. The biggest common factor number is the GCF number.
So the greatest common factor 1380 and 1385 is 5.

Also check out the Least Common Multiple of 1380 and 1385

Properties of GCF 1380 and 1385

(i) The GCF of 1380 and 1385 is associative

GCF of 1380 and 1385 = GCF of 1385 and 1380

Related Greatest Common Factor of 1380

Related Greatest Common Factor of 1385

Frequently Asked Questions on GCF of 1380 and 1385

1. What is the GCF of 1380 and 1385?

Answer: GCF of 1380 and 1385 is 5.

2. What are the Factors of 1380?

Answer: Factors of 1380 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380. There are 24 integers that are factors of 1380. The greatest factor of 1380 is 1380.

3. What are the Factors of 1385?

Answer: Factors of 1385 are 1, 5, 277, 1385. There are 4 integers that are factors of 1385. The greatest factor of 1385 is 1385.

4. How to Find the GCF of 1380 and 1385?

Answer:

Greatest Common Factor of 1380 and 1385 = 5

Step 1: Find the prime factorization of 1380

1380 = 2 x 2 x 3 x 5 x 23

Step 2: Find the prime factorization of 1385

1385 = 5 x 277

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = 5

Step 4: Therefore, the greatest common factor of 1380 and 1385 is 5