Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6635 and 6640 the smallest integer that is 8811280 that is divisible by both numbers.
Least Common Multiple (LCM) of 6635 and 6640 is 8811280.
LCM(6635,6640) = 8811280
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 6635 and 6640. First we will calculate the prime factors of 6635 and 6640.
Prime Factorization of 6635
5 | 6635 |
1327 | 1327 |
1 |
Prime factors of 6635 are 5,1327. Prime factorization of 6635 in exponential form is:
6635 = 51×13271
Prime Factorization of 6640
2 | 6640 |
2 | 3320 |
2 | 1660 |
2 | 830 |
5 | 415 |
83 | 83 |
1 |
Prime factors of 6640 are 2, 5,83. Prime factorization of 6640 in exponential form is:
6640 = 24×51×831
Now multiplying the highest exponent prime factors to calculate the LCM of 6635 and 6640.
LCM(6635,6640) = 24×51×831×13271
LCM(6635,6640) = 8811280
Factors of 6635
List of positive integer factors of 6635 that divides 6635 without a remainder.
1, 5, 1327, 6635
Factors of 6640
List of positive integer factors of 6640 that divides 6640 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6635 and 6640, than apply into the LCM equation.
GCF(6635,6640) = 5
LCM(6635,6640) = ( 6635 × 6640) / 5
LCM(6635,6640) = 44056400 / 5
LCM(6635,6640) = 8811280
(i) The LCM of 6640 and 6635 is associative
LCM of 6635 and 6640 = LCM of 6640 and 6635
1. What is the LCM of 6635 and 6640?
Answer: LCM of 6635 and 6640 is 8811280.
2. What are the Factors of 6635?
Answer: Factors of 6635 are 1, 5, 1327, 6635. There are 4 integers that are factors of 6635. The greatest factor of 6635 is 6635.
3. What are the Factors of 6640?
Answer: Factors of 6640 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640. There are 20 integers that are factors of 6640. The greatest factor of 6640 is 6640.
4. How to Find the LCM of 6635 and 6640?
Answer:
Least Common Multiple of 6635 and 6640 = 8811280
Step 1: Find the prime factorization of 6635
6635 = 5 x 1327
Step 2: Find the prime factorization of 6640
6640 = 2 x 2 x 2 x 2 x 5 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8811280 = 2 x 2 x 2 x 2 x 5 x 83 x 1327
Step 4: Therefore, the least common multiple of 6635 and 6640 is 8811280.