Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7130 and 7131 the smallest integer that is 50844030 that is divisible by both numbers.
Least Common Multiple (LCM) of 7130 and 7131 is 50844030.
LCM(7130,7131) = 50844030
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 7130 and 7131. First we will calculate the prime factors of 7130 and 7131.
Prime Factorization of 7130
2 | 7130 |
5 | 3565 |
23 | 713 |
31 | 31 |
1 |
Prime factors of 7130 are 2, 5, 23,31. Prime factorization of 7130 in exponential form is:
7130 = 21×51×231×311
Prime Factorization of 7131
3 | 7131 |
2377 | 2377 |
1 |
Prime factors of 7131 are 3,2377. Prime factorization of 7131 in exponential form is:
7131 = 31×23771
Now multiplying the highest exponent prime factors to calculate the LCM of 7130 and 7131.
LCM(7130,7131) = 21×31×51×231×311×23771
LCM(7130,7131) = 50844030
Factors of 7130
List of positive integer factors of 7130 that divides 7130 without a remainder.
1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130
Factors of 7131
List of positive integer factors of 7131 that divides 7131 without a remainder.
1, 3, 2377, 7131
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7130 and 7131, than apply into the LCM equation.
GCF(7130,7131) = 1
LCM(7130,7131) = ( 7130 × 7131) / 1
LCM(7130,7131) = 50844030 / 1
LCM(7130,7131) = 50844030
(i) The LCM of 7131 and 7130 is associative
LCM of 7130 and 7131 = LCM of 7131 and 7130
1. What is the LCM of 7130 and 7131?
Answer: LCM of 7130 and 7131 is 50844030.
2. What are the Factors of 7130?
Answer: Factors of 7130 are 1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130. There are 16 integers that are factors of 7130. The greatest factor of 7130 is 7130.
3. What are the Factors of 7131?
Answer: Factors of 7131 are 1, 3, 2377, 7131. There are 4 integers that are factors of 7131. The greatest factor of 7131 is 7131.
4. How to Find the LCM of 7130 and 7131?
Answer:
Least Common Multiple of 7130 and 7131 = 50844030
Step 1: Find the prime factorization of 7130
7130 = 2 x 5 x 23 x 31
Step 2: Find the prime factorization of 7131
7131 = 3 x 2377
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 50844030 = 2 x 3 x 5 x 23 x 31 x 2377
Step 4: Therefore, the least common multiple of 7130 and 7131 is 50844030.