Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7631 and 7639 the smallest integer that is 58293209 that is divisible by both numbers.
Least Common Multiple (LCM) of 7631 and 7639 is 58293209.
LCM(7631,7639) = 58293209
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 7631 and 7639. First we will calculate the prime factors of 7631 and 7639.
Prime Factorization of 7631
13 | 7631 |
587 | 587 |
1 |
Prime factors of 7631 are 13,587. Prime factorization of 7631 in exponential form is:
7631 = 131×5871
Prime Factorization of 7639
7639 | 7639 |
1 |
Prime factors of 7639 are 7639. Prime factorization of 7639 in exponential form is:
7639 = 76391
Now multiplying the highest exponent prime factors to calculate the LCM of 7631 and 7639.
LCM(7631,7639) = 131×5871×76391
LCM(7631,7639) = 58293209
Factors of 7631
List of positive integer factors of 7631 that divides 7631 without a remainder.
1, 13, 587, 7631
Factors of 7639
List of positive integer factors of 7639 that divides 7639 without a remainder.
1, 7639
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7631 and 7639, than apply into the LCM equation.
GCF(7631,7639) = 1
LCM(7631,7639) = ( 7631 × 7639) / 1
LCM(7631,7639) = 58293209 / 1
LCM(7631,7639) = 58293209
(i) The LCM of 7639 and 7631 is associative
LCM of 7631 and 7639 = LCM of 7639 and 7631
1. What is the LCM of 7631 and 7639?
Answer: LCM of 7631 and 7639 is 58293209.
2. What are the Factors of 7631?
Answer: Factors of 7631 are 1, 13, 587, 7631. There are 4 integers that are factors of 7631. The greatest factor of 7631 is 7631.
3. What are the Factors of 7639?
Answer: Factors of 7639 are 1, 7639. There are 2 integers that are factors of 7639. The greatest factor of 7639 is 7639.
4. How to Find the LCM of 7631 and 7639?
Answer:
Least Common Multiple of 7631 and 7639 = 58293209
Step 1: Find the prime factorization of 7631
7631 = 13 x 587
Step 2: Find the prime factorization of 7639
7639 = 7639
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 58293209 = 13 x 587 x 7639
Step 4: Therefore, the least common multiple of 7631 and 7639 is 58293209.