Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2814 and 2820 the smallest integer that is 1322580 that is divisible by both numbers.
Least Common Multiple (LCM) of 2814 and 2820 is 1322580.
LCM(2814,2820) = 1322580
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 2814 and 2820. First we will calculate the prime factors of 2814 and 2820.
Prime Factorization of 2814
2 | 2814 |
3 | 1407 |
7 | 469 |
67 | 67 |
1 |
Prime factors of 2814 are 2, 3, 7,67. Prime factorization of 2814 in exponential form is:
2814 = 21×31×71×671
Prime Factorization of 2820
2 | 2820 |
2 | 1410 |
3 | 705 |
5 | 235 |
47 | 47 |
1 |
Prime factors of 2820 are 2, 3, 5,47. Prime factorization of 2820 in exponential form is:
2820 = 22×31×51×471
Now multiplying the highest exponent prime factors to calculate the LCM of 2814 and 2820.
LCM(2814,2820) = 22×31×51×71×471×671
LCM(2814,2820) = 1322580
Factors of 2814
List of positive integer factors of 2814 that divides 2814 without a remainder.
1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814
Factors of 2820
List of positive integer factors of 2820 that divides 2820 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2814 and 2820, than apply into the LCM equation.
GCF(2814,2820) = 6
LCM(2814,2820) = ( 2814 × 2820) / 6
LCM(2814,2820) = 7935480 / 6
LCM(2814,2820) = 1322580
(i) The LCM of 2820 and 2814 is associative
LCM of 2814 and 2820 = LCM of 2820 and 2814
1. What is the LCM of 2814 and 2820?
Answer: LCM of 2814 and 2820 is 1322580.
2. What are the Factors of 2814?
Answer: Factors of 2814 are 1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814. There are 16 integers that are factors of 2814. The greatest factor of 2814 is 2814.
3. What are the Factors of 2820?
Answer: Factors of 2820 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820. There are 24 integers that are factors of 2820. The greatest factor of 2820 is 2820.
4. How to Find the LCM of 2814 and 2820?
Answer:
Least Common Multiple of 2814 and 2820 = 1322580
Step 1: Find the prime factorization of 2814
2814 = 2 x 3 x 7 x 67
Step 2: Find the prime factorization of 2820
2820 = 2 x 2 x 3 x 5 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 = 1322580 = 2 x 2 x 3 x 5 x 7 x 47 x 67
Step 4: Therefore, the least common multiple of 2814 and 2820 is 1322580.