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 846 the smallest integer that is 354474 that is divisible by both numbers.
Least Common Multiple (LCM) of 838 and 846 is 354474.
LCM(838,846) = 354474
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 838 and 846. First we will calculate the prime factors of 838 and 846.
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 846
2 | 846 |
3 | 423 |
3 | 141 |
47 | 47 |
1 |
Prime factors of 846 are 2, 3,47. Prime factorization of 846 in exponential form is:
846 = 21×32×471
Now multiplying the highest exponent prime factors to calculate the LCM of 838 and 846.
LCM(838,846) = 21×32×471×4191
LCM(838,846) = 354474
Factors of 838
List of positive integer factors of 838 that divides 838 without a remainder.
1, 2, 419, 838
Factors of 846
List of positive integer factors of 846 that divides 846 without a remainder.
1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 838 and 846, than apply into the LCM equation.
GCF(838,846) = 2
LCM(838,846) = ( 838 × 846) / 2
LCM(838,846) = 708948 / 2
LCM(838,846) = 354474
(i) The LCM of 846 and 838 is associative
LCM of 838 and 846 = LCM of 846 and 838
1. What is the LCM of 838 and 846?
Answer: LCM of 838 and 846 is 354474.
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 846?
Answer: Factors of 846 are 1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846. There are 12 integers that are factors of 846. The greatest factor of 846 is 846.
4. How to Find the LCM of 838 and 846?
Answer:
Least Common Multiple of 838 and 846 = 354474
Step 1: Find the prime factorization of 838
838 = 2 x 419
Step 2: Find the prime factorization of 846
846 = 2 x 3 x 3 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 354474 = 2 x 3 x 3 x 47 x 419
Step 4: Therefore, the least common multiple of 838 and 846 is 354474.