Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4665 and 4672 the smallest integer that is 21794880 that is divisible by both numbers.
Least Common Multiple (LCM) of 4665 and 4672 is 21794880.
LCM(4665,4672) = 21794880
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 4665 and 4672. First we will calculate the prime factors of 4665 and 4672.
Prime Factorization of 4665
3 | 4665 |
5 | 1555 |
311 | 311 |
1 |
Prime factors of 4665 are 3, 5,311. Prime factorization of 4665 in exponential form is:
4665 = 31×51×3111
Prime Factorization of 4672
2 | 4672 |
2 | 2336 |
2 | 1168 |
2 | 584 |
2 | 292 |
2 | 146 |
73 | 73 |
1 |
Prime factors of 4672 are 2,73. Prime factorization of 4672 in exponential form is:
4672 = 26×731
Now multiplying the highest exponent prime factors to calculate the LCM of 4665 and 4672.
LCM(4665,4672) = 26×31×51×731×3111
LCM(4665,4672) = 21794880
Factors of 4665
List of positive integer factors of 4665 that divides 4665 without a remainder.
1, 3, 5, 15, 311, 933, 1555, 4665
Factors of 4672
List of positive integer factors of 4672 that divides 4672 without a remainder.
1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4672
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4665 and 4672, than apply into the LCM equation.
GCF(4665,4672) = 1
LCM(4665,4672) = ( 4665 × 4672) / 1
LCM(4665,4672) = 21794880 / 1
LCM(4665,4672) = 21794880
(i) The LCM of 4672 and 4665 is associative
LCM of 4665 and 4672 = LCM of 4672 and 4665
1. What is the LCM of 4665 and 4672?
Answer: LCM of 4665 and 4672 is 21794880.
2. What are the Factors of 4665?
Answer: Factors of 4665 are 1, 3, 5, 15, 311, 933, 1555, 4665. There are 8 integers that are factors of 4665. The greatest factor of 4665 is 4665.
3. What are the Factors of 4672?
Answer: Factors of 4672 are 1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4672. There are 14 integers that are factors of 4672. The greatest factor of 4672 is 4672.
4. How to Find the LCM of 4665 and 4672?
Answer:
Least Common Multiple of 4665 and 4672 = 21794880
Step 1: Find the prime factorization of 4665
4665 = 3 x 5 x 311
Step 2: Find the prime factorization of 4672
4672 = 2 x 2 x 2 x 2 x 2 x 2 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 21794880 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 73 x 311
Step 4: Therefore, the least common multiple of 4665 and 4672 is 21794880.