Least Common Multiple of 809 and 817

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 809 and 817 the smallest integer that is 660953 that is divisible by both numbers.

Least Common Multiple (LCM) of 809 and 817 is 660953.

LCM(809,817) = 660953

LCM of 809 and 817

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 809 and 817

LCM of 809 and 817 is 660953

Least common multiple can be found by multiplying the highest exponent prime factors of 809 and 817. First we will calculate the prime factors of 809 and 817.

Prime Factorization of 809


809 809
1

Prime factors of 809 are 809. Prime factorization of 809 in exponential form is:

809 = 8091

Prime Factorization of 817


19 817
43 43
1

Prime factors of 817 are 19,43. Prime factorization of 817 in exponential form is:

817 = 191×431

Now multiplying the highest exponent prime factors to calculate the LCM of 809 and 817.

LCM(809,817) = 191×431×8091
LCM(809,817) = 660953

Factors of 809

List of positive integer factors of 809 that divides 809 without a remainder.

1, 809

Factors of 817

List of positive integer factors of 817 that divides 817 without a remainder.

1, 19, 43, 817

Least Common Multiple of 809 and 817 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 809 and 817, than apply into the LCM equation.

GCF(809,817) = 1
LCM(809,817) = ( 809 × 817) / 1
LCM(809,817) = 660953 / 1
LCM(809,817) = 660953

Properties of LCM 809 and 817

(i) The LCM of 817 and 809 is associative

LCM of 809 and 817 = LCM of 817 and 809

Frequently Asked Questions on LCM of 809 and 817

1. What is the LCM of 809 and 817?

Answer: LCM of 809 and 817 is 660953.

2. What are the Factors of 809?

Answer: Factors of 809 are 1, 809. There are 2 integers that are factors of 809. The greatest factor of 809 is 809.

3. What are the Factors of 817?

Answer: Factors of 817 are 1, 19, 43, 817. There are 4 integers that are factors of 817. The greatest factor of 817 is 817.

4. How to Find the LCM of 809 and 817?

Answer:

Least Common Multiple of 809 and 817 = 660953

Step 1: Find the prime factorization of 809

809 = 809

Step 2: Find the prime factorization of 817

817 = 19 x 43

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 660953 = 19 x 43 x 809

Step 4: Therefore, the least common multiple of 809 and 817 is 660953.