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 1381, 1387 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1381 and 1387 is 1.
GCF(1381,1387) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1381
1381 | 1381 |
1 |
Prime factors of 1381 are 1381. Prime factorization of 1381 in exponential form is:
1381 = 13811
Prime Factorization of 1387
19 | 1387 |
73 | 73 |
1 |
Prime factors of 1387 are 19.Prime factorization of 1387 in exponential form is:
1387 = 191×731
∴ So by taking common prime factors GCF of 1381 and 1387 is 1
Factors of 1381
List of positive integer factors of 1381 that divides 1381 without a remainder.
1,1381
Factors of 1387
List of positive integer factors of 1387 that divides 1387 without a remainder.
1,19,73,1387
Greatest Common Factor
We found the factors and prime factorization of 1381 and 1387. The biggest common factor number is the GCF number.
So the greatest common factor 1381 and 1387 is 1.
Also check out the Least Common Multiple of 1381 and 1387
(i) The GCF of 1381 and 1387 is associative
GCF of 1381 and 1387 = GCF of 1387 and 1381
1. What is the GCF of 1381 and 1387?
Answer: GCF of 1381 and 1387 is 1.
2. What are the Factors of 1381?
Answer: Factors of 1381 are 1, 1381. There are 2 integers that are factors of 1381. The greatest factor of 1381 is 1381.
3. What are the Factors of 1387?
Answer: Factors of 1387 are 1, 19, 73, 1387. There are 4 integers that are factors of 1387. The greatest factor of 1387 is 1387.
4. How to Find the GCF of 1381 and 1387?
Answer:
Greatest Common Factor of 1381 and 1387 = 1
Step 1: Find the prime factorization of 1381
1381 = 1381
Step 2: Find the prime factorization of 1387
1387 = 19 x 73
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 1381 and 1387 is 1