Least Common Multiple of 841 and 845

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 841 and 845 the smallest integer that is 710645 that is divisible by both numbers.

Least Common Multiple (LCM) of 841 and 845 is 710645.

LCM(841,845) = 710645

LCM of 841 and 845

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

LCM of:
and

Least Common Multiple of 841 and 845

LCM of 841 and 845 is 710645

Least common multiple can be found by multiplying the highest exponent prime factors of 841 and 845. First we will calculate the prime factors of 841 and 845.

Prime Factorization of 841


29 841
29 29
1

Prime factors of 841 are 29. Prime factorization of 841 in exponential form is:

841 = 292

Prime Factorization of 845


5 845
13 169
13 13
1

Prime factors of 845 are 5,13. Prime factorization of 845 in exponential form is:

845 = 51×132

Now multiplying the highest exponent prime factors to calculate the LCM of 841 and 845.

LCM(841,845) = 51×132×292
LCM(841,845) = 710645

Factors of 841

List of positive integer factors of 841 that divides 841 without a remainder.

1, 29, 841

Factors of 845

List of positive integer factors of 845 that divides 845 without a remainder.

1, 5, 13, 65, 169, 845

Least Common Multiple of 841 and 845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 841 and 845, than apply into the LCM equation.

GCF(841,845) = 1
LCM(841,845) = ( 841 × 845) / 1
LCM(841,845) = 710645 / 1
LCM(841,845) = 710645

Properties of LCM 841 and 845

(i) The LCM of 845 and 841 is associative

LCM of 841 and 845 = LCM of 845 and 841

Frequently Asked Questions on LCM of 841 and 845

1. What is the LCM of 841 and 845?

Answer: LCM of 841 and 845 is 710645.

2. What are the Factors of 841?

Answer: Factors of 841 are 1, 29, 841. There are 3 integers that are factors of 841. The greatest factor of 841 is 841.

3. What are the Factors of 845?

Answer: Factors of 845 are 1, 5, 13, 65, 169, 845. There are 6 integers that are factors of 845. The greatest factor of 845 is 845.

4. How to Find the LCM of 841 and 845?

Answer:

Least Common Multiple of 841 and 845 = 710645

Step 1: Find the prime factorization of 841

841 = 29 x 29

Step 2: Find the prime factorization of 845

845 = 5 x 13 x 13

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

LCM = 710645 = 5 x 13 x 13 x 29 x 29

Step 4: Therefore, the least common multiple of 841 and 845 is 710645.