Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3138 and 3146 the smallest integer that is 4936074 that is divisible by both numbers.
Least Common Multiple (LCM) of 3138 and 3146 is 4936074.
LCM(3138,3146) = 4936074
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 3138 and 3146. First we will calculate the prime factors of 3138 and 3146.
Prime Factorization of 3138
2 | 3138 |
3 | 1569 |
523 | 523 |
1 |
Prime factors of 3138 are 2, 3,523. Prime factorization of 3138 in exponential form is:
3138 = 21×31×5231
Prime Factorization of 3146
2 | 3146 |
11 | 1573 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 3146 are 2, 11,13. Prime factorization of 3146 in exponential form is:
3146 = 21×112×131
Now multiplying the highest exponent prime factors to calculate the LCM of 3138 and 3146.
LCM(3138,3146) = 21×31×112×131×5231
LCM(3138,3146) = 4936074
Factors of 3138
List of positive integer factors of 3138 that divides 3138 without a remainder.
1, 2, 3, 6, 523, 1046, 1569, 3138
Factors of 3146
List of positive integer factors of 3146 that divides 3146 without a remainder.
1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3138 and 3146, than apply into the LCM equation.
GCF(3138,3146) = 2
LCM(3138,3146) = ( 3138 × 3146) / 2
LCM(3138,3146) = 9872148 / 2
LCM(3138,3146) = 4936074
(i) The LCM of 3146 and 3138 is associative
LCM of 3138 and 3146 = LCM of 3146 and 3138
1. What is the LCM of 3138 and 3146?
Answer: LCM of 3138 and 3146 is 4936074.
2. What are the Factors of 3138?
Answer: Factors of 3138 are 1, 2, 3, 6, 523, 1046, 1569, 3138. There are 8 integers that are factors of 3138. The greatest factor of 3138 is 3138.
3. What are the Factors of 3146?
Answer: Factors of 3146 are 1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146. There are 12 integers that are factors of 3146. The greatest factor of 3146 is 3146.
4. How to Find the LCM of 3138 and 3146?
Answer:
Least Common Multiple of 3138 and 3146 = 4936074
Step 1: Find the prime factorization of 3138
3138 = 2 x 3 x 523
Step 2: Find the prime factorization of 3146
3146 = 2 x 11 x 11 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 = 4936074 = 2 x 3 x 11 x 11 x 13 x 523
Step 4: Therefore, the least common multiple of 3138 and 3146 is 4936074.