Greatest Common Factor of 1550 and 1556

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 1550, 1556 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1550 and 1556 is 2.

GCF(1550,1556) = 2

GCF of 1550 and 1556

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

GCF of:
and

Greatest Common Factor of 1550 and 1556

GCF of 1550 and 1556 is 2

Prime Factorization of 1550


2 1550
5 775
5 155
31 31
1

Prime factors of 1550 are 2,5,31. Prime factorization of 1550 in exponential form is:

1550 = 21×52×311

Prime Factorization of 1556


2 1556
2 778
389 389
1

Prime factors of 1556 are 2,389. Prime factorization of 1556 in exponential form is:

1556 = 22×3891

∴ So by taking common prime factors GCF of 1550 and 1556 is 2

Greatest Common Factor of 1550 and 1556 by matching factors method

Factors of 1550

List of positive integer factors of 1550 that divides 1550 without a remainder.

1,2,5,10,25,31,50,62,155,310,775,1550

Factors of 1556

List of positive integer factors of 1556 that divides 1556 without a remainder.

1,2,4,389,778,1556

Greatest Common Factor

We found the factors and prime factorization of 1550 and 1556. The biggest common factor number is the GCF number.
So the greatest common factor 1550 and 1556 is 2.

Also check out the Least Common Multiple of 1550 and 1556

Properties of GCF 1550 and 1556

(i) The GCF of 1550 and 1556 is associative

GCF of 1550 and 1556 = GCF of 1556 and 1550

Frequently Asked Questions on GCF of 1550 and 1556

1. What is the GCF of 1550 and 1556?

Answer: GCF of 1550 and 1556 is 2.

2. What are the Factors of 1550?

Answer: Factors of 1550 are 1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550. There are 12 integers that are factors of 1550. The greatest factor of 1550 is 1550.

3. What are the Factors of 1556?

Answer: Factors of 1556 are 1, 2, 4, 389, 778, 1556. There are 6 integers that are factors of 1556. The greatest factor of 1556 is 1556.

4. How to Find the GCF of 1550 and 1556?

Answer:

Greatest Common Factor of 1550 and 1556 = 2

Step 1: Find the prime factorization of 1550

1550 = 2 x 5 x 5 x 31

Step 2: Find the prime factorization of 1556

1556 = 2 x 2 x 389

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 1550 and 1556 is 2