Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4641 and 4646 the smallest integer that is 21562086 that is divisible by both numbers.
Least Common Multiple (LCM) of 4641 and 4646 is 21562086.
LCM(4641,4646) = 21562086
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 4641 and 4646. First we will calculate the prime factors of 4641 and 4646.
Prime Factorization of 4641
3 | 4641 |
7 | 1547 |
13 | 221 |
17 | 17 |
1 |
Prime factors of 4641 are 3, 7, 13,17. Prime factorization of 4641 in exponential form is:
4641 = 31×71×131×171
Prime Factorization of 4646
2 | 4646 |
23 | 2323 |
101 | 101 |
1 |
Prime factors of 4646 are 2, 23,101. Prime factorization of 4646 in exponential form is:
4646 = 21×231×1011
Now multiplying the highest exponent prime factors to calculate the LCM of 4641 and 4646.
LCM(4641,4646) = 21×31×71×131×171×231×1011
LCM(4641,4646) = 21562086
Factors of 4641
List of positive integer factors of 4641 that divides 4641 without a remainder.
1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641
Factors of 4646
List of positive integer factors of 4646 that divides 4646 without a remainder.
1, 2, 23, 46, 101, 202, 2323, 4646
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4641 and 4646, than apply into the LCM equation.
GCF(4641,4646) = 1
LCM(4641,4646) = ( 4641 × 4646) / 1
LCM(4641,4646) = 21562086 / 1
LCM(4641,4646) = 21562086
(i) The LCM of 4646 and 4641 is associative
LCM of 4641 and 4646 = LCM of 4646 and 4641
1. What is the LCM of 4641 and 4646?
Answer: LCM of 4641 and 4646 is 21562086.
2. What are the Factors of 4641?
Answer: Factors of 4641 are 1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641. There are 16 integers that are factors of 4641. The greatest factor of 4641 is 4641.
3. What are the Factors of 4646?
Answer: Factors of 4646 are 1, 2, 23, 46, 101, 202, 2323, 4646. There are 8 integers that are factors of 4646. The greatest factor of 4646 is 4646.
4. How to Find the LCM of 4641 and 4646?
Answer:
Least Common Multiple of 4641 and 4646 = 21562086
Step 1: Find the prime factorization of 4641
4641 = 3 x 7 x 13 x 17
Step 2: Find the prime factorization of 4646
4646 = 2 x 23 x 101
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 21562086 = 2 x 3 x 7 x 13 x 17 x 23 x 101
Step 4: Therefore, the least common multiple of 4641 and 4646 is 21562086.