Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6456 and 6461 the smallest integer that is 41712216 that is divisible by both numbers.
Least Common Multiple (LCM) of 6456 and 6461 is 41712216.
LCM(6456,6461) = 41712216
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 6456 and 6461. First we will calculate the prime factors of 6456 and 6461.
Prime Factorization of 6456
2 | 6456 |
2 | 3228 |
2 | 1614 |
3 | 807 |
269 | 269 |
1 |
Prime factors of 6456 are 2, 3,269. Prime factorization of 6456 in exponential form is:
6456 = 23×31×2691
Prime Factorization of 6461
7 | 6461 |
13 | 923 |
71 | 71 |
1 |
Prime factors of 6461 are 7, 13,71. Prime factorization of 6461 in exponential form is:
6461 = 71×131×711
Now multiplying the highest exponent prime factors to calculate the LCM of 6456 and 6461.
LCM(6456,6461) = 23×31×71×131×711×2691
LCM(6456,6461) = 41712216
Factors of 6456
List of positive integer factors of 6456 that divides 6456 without a remainder.
1, 2, 3, 4, 6, 8, 12, 24, 269, 538, 807, 1076, 1614, 2152, 3228, 6456
Factors of 6461
List of positive integer factors of 6461 that divides 6461 without a remainder.
1, 7, 13, 71, 91, 497, 923, 6461
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6456 and 6461, than apply into the LCM equation.
GCF(6456,6461) = 1
LCM(6456,6461) = ( 6456 × 6461) / 1
LCM(6456,6461) = 41712216 / 1
LCM(6456,6461) = 41712216
(i) The LCM of 6461 and 6456 is associative
LCM of 6456 and 6461 = LCM of 6461 and 6456
1. What is the LCM of 6456 and 6461?
Answer: LCM of 6456 and 6461 is 41712216.
2. What are the Factors of 6456?
Answer: Factors of 6456 are 1, 2, 3, 4, 6, 8, 12, 24, 269, 538, 807, 1076, 1614, 2152, 3228, 6456. There are 16 integers that are factors of 6456. The greatest factor of 6456 is 6456.
3. What are the Factors of 6461?
Answer: Factors of 6461 are 1, 7, 13, 71, 91, 497, 923, 6461. There are 8 integers that are factors of 6461. The greatest factor of 6461 is 6461.
4. How to Find the LCM of 6456 and 6461?
Answer:
Least Common Multiple of 6456 and 6461 = 41712216
Step 1: Find the prime factorization of 6456
6456 = 2 x 2 x 2 x 3 x 269
Step 2: Find the prime factorization of 6461
6461 = 7 x 13 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 41712216 = 2 x 2 x 2 x 3 x 7 x 13 x 71 x 269
Step 4: Therefore, the least common multiple of 6456 and 6461 is 41712216.