Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7611 and 7615 the smallest integer that is 57957765 that is divisible by both numbers.
Least Common Multiple (LCM) of 7611 and 7615 is 57957765.
LCM(7611,7615) = 57957765
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 7611 and 7615. First we will calculate the prime factors of 7611 and 7615.
Prime Factorization of 7611
3 | 7611 |
43 | 2537 |
59 | 59 |
1 |
Prime factors of 7611 are 3, 43,59. Prime factorization of 7611 in exponential form is:
7611 = 31×431×591
Prime Factorization of 7615
5 | 7615 |
1523 | 1523 |
1 |
Prime factors of 7615 are 5,1523. Prime factorization of 7615 in exponential form is:
7615 = 51×15231
Now multiplying the highest exponent prime factors to calculate the LCM of 7611 and 7615.
LCM(7611,7615) = 31×51×431×591×15231
LCM(7611,7615) = 57957765
Factors of 7611
List of positive integer factors of 7611 that divides 7611 without a remainder.
1, 3, 43, 59, 129, 177, 2537, 7611
Factors of 7615
List of positive integer factors of 7615 that divides 7615 without a remainder.
1, 5, 1523, 7615
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7611 and 7615, than apply into the LCM equation.
GCF(7611,7615) = 1
LCM(7611,7615) = ( 7611 × 7615) / 1
LCM(7611,7615) = 57957765 / 1
LCM(7611,7615) = 57957765
(i) The LCM of 7615 and 7611 is associative
LCM of 7611 and 7615 = LCM of 7615 and 7611
1. What is the LCM of 7611 and 7615?
Answer: LCM of 7611 and 7615 is 57957765.
2. What are the Factors of 7611?
Answer: Factors of 7611 are 1, 3, 43, 59, 129, 177, 2537, 7611. There are 8 integers that are factors of 7611. The greatest factor of 7611 is 7611.
3. What are the Factors of 7615?
Answer: Factors of 7615 are 1, 5, 1523, 7615. There are 4 integers that are factors of 7615. The greatest factor of 7615 is 7615.
4. How to Find the LCM of 7611 and 7615?
Answer:
Least Common Multiple of 7611 and 7615 = 57957765
Step 1: Find the prime factorization of 7611
7611 = 3 x 43 x 59
Step 2: Find the prime factorization of 7615
7615 = 5 x 1523
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 57957765 = 3 x 5 x 43 x 59 x 1523
Step 4: Therefore, the least common multiple of 7611 and 7615 is 57957765.