Greatest Common Factor of 20450 and 20457

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 20450, 20457 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 20450 and 20457 is 1.

GCF(20450,20457) = 1

GCF of 20450 and 20457

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

GCF of:
and

Greatest Common Factor of 20450 and 20457

GCF of 20450 and 20457 is 1

Prime Factorization of 20450


2 20450
5 10225
5 2045
409 409
1

Prime factors of 20450 are 2,5,409. Prime factorization of 20450 in exponential form is:

20450 = 21×52×4091

Prime Factorization of 20457


3 20457
3 6819
2273 2273
1

Prime factors of 20457 are 3,2273. Prime factorization of 20457 in exponential form is:

20457 = 32×22731

∴ So by taking common prime factors GCF of 20450 and 20457 is 1

Greatest Common Factor of 20450 and 20457 by matching factors method

Factors of 20450

List of positive integer factors of 20450 that divides 20450 without a remainder.

1,2,5,10,25,50,409,818,2045,4090,10225,20450

Factors of 20457

List of positive integer factors of 20457 that divides 20457 without a remainder.

1,3,9,2273,6819,20457

Greatest Common Factor

We found the factors and prime factorization of 20450 and 20457. The biggest common factor number is the GCF number.
So the greatest common factor 20450 and 20457 is 1.

Also check out the Least Common Multiple of 20450 and 20457

Properties of GCF 20450 and 20457

(i) The GCF of 20450 and 20457 is associative

GCF of 20450 and 20457 = GCF of 20457 and 20450

Frequently Asked Questions on GCF of 20450 and 20457

1. What is the GCF of 20450 and 20457?

Answer: GCF of 20450 and 20457 is 1.

2. What are the Factors of 20450?

Answer: Factors of 20450 are 1, 2, 5, 10, 25, 50, 409, 818, 2045, 4090, 10225, 20450. There are 12 integers that are factors of 20450. The greatest factor of 20450 is 20450.

3. What are the Factors of 20457?

Answer: Factors of 20457 are 1, 3, 9, 2273, 6819, 20457. There are 6 integers that are factors of 20457. The greatest factor of 20457 is 20457.

4. How to Find the GCF of 20450 and 20457?

Answer:

Greatest Common Factor of 20450 and 20457 = 1

Step 1: Find the prime factorization of 20450

20450 = 2 x 5 x 5 x 409

Step 2: Find the prime factorization of 20457

20457 = 3 x 3 x 2273

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 20450 and 20457 is 1