Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 131 and 139 the smallest integer that is 18209 that is divisible by both numbers.
Least Common Multiple (LCM) of 131 and 139 is 18209.
LCM(131,139) = 18209
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 131 and 139. First we will calculate the prime factors of 131 and 139.
Prime Factorization of 131
131 | 131 |
1 |
Prime factors of 131 are 131. Prime factorization of 131 in exponential form is:
131 = 1311
Prime Factorization of 139
139 | 139 |
1 |
Prime factors of 139 are 139. Prime factorization of 139 in exponential form is:
139 = 1391
Now multiplying the highest exponent prime factors to calculate the LCM of 131 and 139.
LCM(131,139) = 1311×1391
LCM(131,139) = 18209
Factors of 131
List of positive integer factors of 131 that divides 131 without a remainder.
1, 131
Factors of 139
List of positive integer factors of 139 that divides 139 without a remainder.
1, 139
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 131 and 139, than apply into the LCM equation.
GCF(131,139) = 1
LCM(131,139) = ( 131 × 139) / 1
LCM(131,139) = 18209 / 1
LCM(131,139) = 18209
(i) The LCM of 139 and 131 is associative
LCM of 131 and 139 = LCM of 139 and 131
1. What is the LCM of 131 and 139?
Answer: LCM of 131 and 139 is 18209.
2. What are the Factors of 131?
Answer: Factors of 131 are 1, 131. There are 2 integers that are factors of 131. The greatest factor of 131 is 131.
3. What are the Factors of 139?
Answer: Factors of 139 are 1, 139. There are 2 integers that are factors of 139. The greatest factor of 139 is 139.
4. How to Find the LCM of 131 and 139?
Answer:
Least Common Multiple of 131 and 139 = 18209
Step 1: Find the prime factorization of 131
131 = 131
Step 2: Find the prime factorization of 139
139 = 139
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 18209 = 131 x 139
Step 4: Therefore, the least common multiple of 131 and 139 is 18209.