Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6836 and 6840 the smallest integer that is 11689560 that is divisible by both numbers.
Least Common Multiple (LCM) of 6836 and 6840 is 11689560.
LCM(6836,6840) = 11689560
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 6836 and 6840. First we will calculate the prime factors of 6836 and 6840.
Prime Factorization of 6836
2 | 6836 |
2 | 3418 |
1709 | 1709 |
1 |
Prime factors of 6836 are 2,1709. Prime factorization of 6836 in exponential form is:
6836 = 22×17091
Prime Factorization of 6840
2 | 6840 |
2 | 3420 |
2 | 1710 |
3 | 855 |
3 | 285 |
5 | 95 |
19 | 19 |
1 |
Prime factors of 6840 are 2, 3, 5,19. Prime factorization of 6840 in exponential form is:
6840 = 23×32×51×191
Now multiplying the highest exponent prime factors to calculate the LCM of 6836 and 6840.
LCM(6836,6840) = 23×32×51×191×17091
LCM(6836,6840) = 11689560
Factors of 6836
List of positive integer factors of 6836 that divides 6836 without a remainder.
1, 2, 4, 1709, 3418, 6836
Factors of 6840
List of positive integer factors of 6840 that divides 6840 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6836 and 6840, than apply into the LCM equation.
GCF(6836,6840) = 4
LCM(6836,6840) = ( 6836 × 6840) / 4
LCM(6836,6840) = 46758240 / 4
LCM(6836,6840) = 11689560
(i) The LCM of 6840 and 6836 is associative
LCM of 6836 and 6840 = LCM of 6840 and 6836
1. What is the LCM of 6836 and 6840?
Answer: LCM of 6836 and 6840 is 11689560.
2. What are the Factors of 6836?
Answer: Factors of 6836 are 1, 2, 4, 1709, 3418, 6836. There are 6 integers that are factors of 6836. The greatest factor of 6836 is 6836.
3. What are the Factors of 6840?
Answer: Factors of 6840 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840. There are 48 integers that are factors of 6840. The greatest factor of 6840 is 6840.
4. How to Find the LCM of 6836 and 6840?
Answer:
Least Common Multiple of 6836 and 6840 = 11689560
Step 1: Find the prime factorization of 6836
6836 = 2 x 2 x 1709
Step 2: Find the prime factorization of 6840
6840 = 2 x 2 x 2 x 3 x 3 x 5 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 11689560 = 2 x 2 x 2 x 3 x 3 x 5 x 19 x 1709
Step 4: Therefore, the least common multiple of 6836 and 6840 is 11689560.