Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4142 and 4146 the smallest integer that is 8586366 that is divisible by both numbers.
Least Common Multiple (LCM) of 4142 and 4146 is 8586366.
LCM(4142,4146) = 8586366
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 4142 and 4146. First we will calculate the prime factors of 4142 and 4146.
Prime Factorization of 4142
2 | 4142 |
19 | 2071 |
109 | 109 |
1 |
Prime factors of 4142 are 2, 19,109. Prime factorization of 4142 in exponential form is:
4142 = 21×191×1091
Prime Factorization of 4146
2 | 4146 |
3 | 2073 |
691 | 691 |
1 |
Prime factors of 4146 are 2, 3,691. Prime factorization of 4146 in exponential form is:
4146 = 21×31×6911
Now multiplying the highest exponent prime factors to calculate the LCM of 4142 and 4146.
LCM(4142,4146) = 21×31×191×1091×6911
LCM(4142,4146) = 8586366
Factors of 4142
List of positive integer factors of 4142 that divides 4142 without a remainder.
1, 2, 19, 38, 109, 218, 2071, 4142
Factors of 4146
List of positive integer factors of 4146 that divides 4146 without a remainder.
1, 2, 3, 6, 691, 1382, 2073, 4146
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4142 and 4146, than apply into the LCM equation.
GCF(4142,4146) = 2
LCM(4142,4146) = ( 4142 × 4146) / 2
LCM(4142,4146) = 17172732 / 2
LCM(4142,4146) = 8586366
(i) The LCM of 4146 and 4142 is associative
LCM of 4142 and 4146 = LCM of 4146 and 4142
1. What is the LCM of 4142 and 4146?
Answer: LCM of 4142 and 4146 is 8586366.
2. What are the Factors of 4142?
Answer: Factors of 4142 are 1, 2, 19, 38, 109, 218, 2071, 4142. There are 8 integers that are factors of 4142. The greatest factor of 4142 is 4142.
3. What are the Factors of 4146?
Answer: Factors of 4146 are 1, 2, 3, 6, 691, 1382, 2073, 4146. There are 8 integers that are factors of 4146. The greatest factor of 4146 is 4146.
4. How to Find the LCM of 4142 and 4146?
Answer:
Least Common Multiple of 4142 and 4146 = 8586366
Step 1: Find the prime factorization of 4142
4142 = 2 x 19 x 109
Step 2: Find the prime factorization of 4146
4146 = 2 x 3 x 691
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8586366 = 2 x 3 x 19 x 109 x 691
Step 4: Therefore, the least common multiple of 4142 and 4146 is 8586366.