Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2140 and 2141 the smallest integer that is 4581740 that is divisible by both numbers.
Least Common Multiple (LCM) of 2140 and 2141 is 4581740.
LCM(2140,2141) = 4581740
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 2140 and 2141. First we will calculate the prime factors of 2140 and 2141.
Prime Factorization of 2140
2 | 2140 |
2 | 1070 |
5 | 535 |
107 | 107 |
1 |
Prime factors of 2140 are 2, 5,107. Prime factorization of 2140 in exponential form is:
2140 = 22×51×1071
Prime Factorization of 2141
2141 | 2141 |
1 |
Prime factors of 2141 are 2141. Prime factorization of 2141 in exponential form is:
2141 = 21411
Now multiplying the highest exponent prime factors to calculate the LCM of 2140 and 2141.
LCM(2140,2141) = 22×51×1071×21411
LCM(2140,2141) = 4581740
Factors of 2140
List of positive integer factors of 2140 that divides 2140 without a remainder.
1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140
Factors of 2141
List of positive integer factors of 2141 that divides 2141 without a remainder.
1, 2141
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2140 and 2141, than apply into the LCM equation.
GCF(2140,2141) = 1
LCM(2140,2141) = ( 2140 × 2141) / 1
LCM(2140,2141) = 4581740 / 1
LCM(2140,2141) = 4581740
(i) The LCM of 2141 and 2140 is associative
LCM of 2140 and 2141 = LCM of 2141 and 2140
1. What is the LCM of 2140 and 2141?
Answer: LCM of 2140 and 2141 is 4581740.
2. What are the Factors of 2140?
Answer: Factors of 2140 are 1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140. There are 12 integers that are factors of 2140. The greatest factor of 2140 is 2140.
3. What are the Factors of 2141?
Answer: Factors of 2141 are 1, 2141. There are 2 integers that are factors of 2141. The greatest factor of 2141 is 2141.
4. How to Find the LCM of 2140 and 2141?
Answer:
Least Common Multiple of 2140 and 2141 = 4581740
Step 1: Find the prime factorization of 2140
2140 = 2 x 2 x 5 x 107
Step 2: Find the prime factorization of 2141
2141 = 2141
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4581740 = 2 x 2 x 5 x 107 x 2141
Step 4: Therefore, the least common multiple of 2140 and 2141 is 4581740.