Greatest Common Factor of 1407 and 1408

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 1407, 1408 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 1407 and 1408 is 1.

GCF(1407,1408) = 1

GCF of 1407 and 1408

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

GCF of:
and

Greatest Common Factor of 1407 and 1408

GCF of 1407 and 1408 is 1

Prime Factorization of 1407


3 1407
7 469
67 67
1

Prime factors of 1407 are 3,7,67. Prime factorization of 1407 in exponential form is:

1407 = 31×71×671

Prime Factorization of 1408


2 1408
2 704
2 352
2 176
2 88
2 44
2 22
11 11
1

Prime factors of 1408 are 2,11. Prime factorization of 1408 in exponential form is:

1408 = 27×111

∴ So by taking common prime factors GCF of 1407 and 1408 is 1

Greatest Common Factor of 1407 and 1408 by matching factors method

Factors of 1407

List of positive integer factors of 1407 that divides 1407 without a remainder.

1,3,7,21,67,201,469,1407

Factors of 1408

List of positive integer factors of 1408 that divides 1408 without a remainder.

1,2,4,8,11,16,22,32,44,64,88,128,176,352,704,1408

Greatest Common Factor

We found the factors and prime factorization of 1407 and 1408. The biggest common factor number is the GCF number.
So the greatest common factor 1407 and 1408 is 1.

Also check out the Least Common Multiple of 1407 and 1408

Properties of GCF 1407 and 1408

(i) The GCF of 1407 and 1408 is associative

GCF of 1407 and 1408 = GCF of 1408 and 1407

Frequently Asked Questions on GCF of 1407 and 1408

1. What is the GCF of 1407 and 1408?

Answer: GCF of 1407 and 1408 is 1.

2. What are the Factors of 1407?

Answer: Factors of 1407 are 1, 3, 7, 21, 67, 201, 469, 1407. There are 8 integers that are factors of 1407. The greatest factor of 1407 is 1407.

3. What are the Factors of 1408?

Answer: Factors of 1408 are 1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408. There are 16 integers that are factors of 1408. The greatest factor of 1408 is 1408.

4. How to Find the GCF of 1407 and 1408?

Answer:

Greatest Common Factor of 1407 and 1408 = 1

Step 1: Find the prime factorization of 1407

1407 = 3 x 7 x 67

Step 2: Find the prime factorization of 1408

1408 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11

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 1407 and 1408 is 1