Least Common Multiple of 838 and 842

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 838 and 842 the smallest integer that is 352798 that is divisible by both numbers.

Least Common Multiple (LCM) of 838 and 842 is 352798.

LCM(838,842) = 352798

LCM of 838 and 842

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

LCM of:
and

Least Common Multiple of 838 and 842

LCM of 838 and 842 is 352798

Least common multiple can be found by multiplying the highest exponent prime factors of 838 and 842. First we will calculate the prime factors of 838 and 842.

Prime Factorization of 838


2 838
419 419
1

Prime factors of 838 are 2,419. Prime factorization of 838 in exponential form is:

838 = 21×4191

Prime Factorization of 842


2 842
421 421
1

Prime factors of 842 are 2,421. Prime factorization of 842 in exponential form is:

842 = 21×4211

Now multiplying the highest exponent prime factors to calculate the LCM of 838 and 842.

LCM(838,842) = 21×4191×4211
LCM(838,842) = 352798

Factors of 838

List of positive integer factors of 838 that divides 838 without a remainder.

1, 2, 419, 838

Factors of 842

List of positive integer factors of 842 that divides 842 without a remainder.

1, 2, 421, 842

Least Common Multiple of 838 and 842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 838 and 842, than apply into the LCM equation.

GCF(838,842) = 2
LCM(838,842) = ( 838 × 842) / 2
LCM(838,842) = 705596 / 2
LCM(838,842) = 352798

Properties of LCM 838 and 842

(i) The LCM of 842 and 838 is associative

LCM of 838 and 842 = LCM of 842 and 838

Frequently Asked Questions on LCM of 838 and 842

1. What is the LCM of 838 and 842?

Answer: LCM of 838 and 842 is 352798.

2. What are the Factors of 838?

Answer: Factors of 838 are 1, 2, 419, 838. There are 4 integers that are factors of 838. The greatest factor of 838 is 838.

3. What are the Factors of 842?

Answer: Factors of 842 are 1, 2, 421, 842. There are 4 integers that are factors of 842. The greatest factor of 842 is 842.

4. How to Find the LCM of 838 and 842?

Answer:

Least Common Multiple of 838 and 842 = 352798

Step 1: Find the prime factorization of 838

838 = 2 x 419

Step 2: Find the prime factorization of 842

842 = 2 x 421

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

LCM = 352798 = 2 x 419 x 421

Step 4: Therefore, the least common multiple of 838 and 842 is 352798.