Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6428 and 6436 the smallest integer that is 10342652 that is divisible by both numbers.
Least Common Multiple (LCM) of 6428 and 6436 is 10342652.
LCM(6428,6436) = 10342652
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 6428 and 6436. First we will calculate the prime factors of 6428 and 6436.
Prime Factorization of 6428
2 | 6428 |
2 | 3214 |
1607 | 1607 |
1 |
Prime factors of 6428 are 2,1607. Prime factorization of 6428 in exponential form is:
6428 = 22×16071
Prime Factorization of 6436
2 | 6436 |
2 | 3218 |
1609 | 1609 |
1 |
Prime factors of 6436 are 2,1609. Prime factorization of 6436 in exponential form is:
6436 = 22×16091
Now multiplying the highest exponent prime factors to calculate the LCM of 6428 and 6436.
LCM(6428,6436) = 22×16071×16091
LCM(6428,6436) = 10342652
Factors of 6428
List of positive integer factors of 6428 that divides 6428 without a remainder.
1, 2, 4, 1607, 3214, 6428
Factors of 6436
List of positive integer factors of 6436 that divides 6436 without a remainder.
1, 2, 4, 1609, 3218, 6436
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6428 and 6436, than apply into the LCM equation.
GCF(6428,6436) = 4
LCM(6428,6436) = ( 6428 × 6436) / 4
LCM(6428,6436) = 41370608 / 4
LCM(6428,6436) = 10342652
(i) The LCM of 6436 and 6428 is associative
LCM of 6428 and 6436 = LCM of 6436 and 6428
1. What is the LCM of 6428 and 6436?
Answer: LCM of 6428 and 6436 is 10342652.
2. What are the Factors of 6428?
Answer: Factors of 6428 are 1, 2, 4, 1607, 3214, 6428. There are 6 integers that are factors of 6428. The greatest factor of 6428 is 6428.
3. What are the Factors of 6436?
Answer: Factors of 6436 are 1, 2, 4, 1609, 3218, 6436. There are 6 integers that are factors of 6436. The greatest factor of 6436 is 6436.
4. How to Find the LCM of 6428 and 6436?
Answer:
Least Common Multiple of 6428 and 6436 = 10342652
Step 1: Find the prime factorization of 6428
6428 = 2 x 2 x 1607
Step 2: Find the prime factorization of 6436
6436 = 2 x 2 x 1609
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 10342652 = 2 x 2 x 1607 x 1609
Step 4: Therefore, the least common multiple of 6428 and 6436 is 10342652.