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 2147 the smallest integer that is 4594580 that is divisible by both numbers.
Least Common Multiple (LCM) of 2140 and 2147 is 4594580.
LCM(2140,2147) = 4594580
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 2147. First we will calculate the prime factors of 2140 and 2147.
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 2147
19 | 2147 |
113 | 113 |
1 |
Prime factors of 2147 are 19,113. Prime factorization of 2147 in exponential form is:
2147 = 191×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 2140 and 2147.
LCM(2140,2147) = 22×51×191×1071×1131
LCM(2140,2147) = 4594580
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 2147
List of positive integer factors of 2147 that divides 2147 without a remainder.
1, 19, 113, 2147
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2140 and 2147, than apply into the LCM equation.
GCF(2140,2147) = 1
LCM(2140,2147) = ( 2140 × 2147) / 1
LCM(2140,2147) = 4594580 / 1
LCM(2140,2147) = 4594580
(i) The LCM of 2147 and 2140 is associative
LCM of 2140 and 2147 = LCM of 2147 and 2140
1. What is the LCM of 2140 and 2147?
Answer: LCM of 2140 and 2147 is 4594580.
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 2147?
Answer: Factors of 2147 are 1, 19, 113, 2147. There are 4 integers that are factors of 2147. The greatest factor of 2147 is 2147.
4. How to Find the LCM of 2140 and 2147?
Answer:
Least Common Multiple of 2140 and 2147 = 4594580
Step 1: Find the prime factorization of 2140
2140 = 2 x 2 x 5 x 107
Step 2: Find the prime factorization of 2147
2147 = 19 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4594580 = 2 x 2 x 5 x 19 x 107 x 113
Step 4: Therefore, the least common multiple of 2140 and 2147 is 4594580.