Greatest Common Factor of 1520 and 1522

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 1520, 1522 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1520 and 1522 is 2.

GCF(1520,1522) = 2

GCF of 1520 and 1522

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

GCF of:
and

Greatest Common Factor of 1520 and 1522

GCF of 1520 and 1522 is 2

Prime Factorization of 1520


2 1520
2 760
2 380
2 190
5 95
19 19
1

Prime factors of 1520 are 2,5,19. Prime factorization of 1520 in exponential form is:

1520 = 24×51×191

Prime Factorization of 1522


2 1522
761 761
1

Prime factors of 1522 are 2,761. Prime factorization of 1522 in exponential form is:

1522 = 21×7611

∴ So by taking common prime factors GCF of 1520 and 1522 is 2

Greatest Common Factor of 1520 and 1522 by matching factors method

Factors of 1520

List of positive integer factors of 1520 that divides 1520 without a remainder.

1,2,4,5,8,10,16,19,20,38,40,76,80,95,152,190,304,380,760,1520

Factors of 1522

List of positive integer factors of 1522 that divides 1522 without a remainder.

1,2,761,1522

Greatest Common Factor

We found the factors and prime factorization of 1520 and 1522. The biggest common factor number is the GCF number.
So the greatest common factor 1520 and 1522 is 2.

Also check out the Least Common Multiple of 1520 and 1522

Properties of GCF 1520 and 1522

(i) The GCF of 1520 and 1522 is associative

GCF of 1520 and 1522 = GCF of 1522 and 1520

Frequently Asked Questions on GCF of 1520 and 1522

1. What is the GCF of 1520 and 1522?

Answer: GCF of 1520 and 1522 is 2.

2. What are the Factors of 1520?

Answer: Factors of 1520 are 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520. There are 20 integers that are factors of 1520. The greatest factor of 1520 is 1520.

3. What are the Factors of 1522?

Answer: Factors of 1522 are 1, 2, 761, 1522. There are 4 integers that are factors of 1522. The greatest factor of 1522 is 1522.

4. How to Find the GCF of 1520 and 1522?

Answer:

Greatest Common Factor of 1520 and 1522 = 2

Step 1: Find the prime factorization of 1520

1520 = 2 x 2 x 2 x 2 x 5 x 19

Step 2: Find the prime factorization of 1522

1522 = 2 x 761

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 1520 and 1522 is 2