Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3126 and 3128 the smallest integer that is 4889064 that is divisible by both numbers.
Least Common Multiple (LCM) of 3126 and 3128 is 4889064.
LCM(3126,3128) = 4889064
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 3126 and 3128. First we will calculate the prime factors of 3126 and 3128.
Prime Factorization of 3126
2 | 3126 |
3 | 1563 |
521 | 521 |
1 |
Prime factors of 3126 are 2, 3,521. Prime factorization of 3126 in exponential form is:
3126 = 21×31×5211
Prime Factorization of 3128
2 | 3128 |
2 | 1564 |
2 | 782 |
17 | 391 |
23 | 23 |
1 |
Prime factors of 3128 are 2, 17,23. Prime factorization of 3128 in exponential form is:
3128 = 23×171×231
Now multiplying the highest exponent prime factors to calculate the LCM of 3126 and 3128.
LCM(3126,3128) = 23×31×171×231×5211
LCM(3126,3128) = 4889064
Factors of 3126
List of positive integer factors of 3126 that divides 3126 without a remainder.
1, 2, 3, 6, 521, 1042, 1563, 3126
Factors of 3128
List of positive integer factors of 3128 that divides 3128 without a remainder.
1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3126 and 3128, than apply into the LCM equation.
GCF(3126,3128) = 2
LCM(3126,3128) = ( 3126 × 3128) / 2
LCM(3126,3128) = 9778128 / 2
LCM(3126,3128) = 4889064
(i) The LCM of 3128 and 3126 is associative
LCM of 3126 and 3128 = LCM of 3128 and 3126
1. What is the LCM of 3126 and 3128?
Answer: LCM of 3126 and 3128 is 4889064.
2. What are the Factors of 3126?
Answer: Factors of 3126 are 1, 2, 3, 6, 521, 1042, 1563, 3126. There are 8 integers that are factors of 3126. The greatest factor of 3126 is 3126.
3. What are the Factors of 3128?
Answer: Factors of 3128 are 1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 391, 782, 1564, 3128. There are 16 integers that are factors of 3128. The greatest factor of 3128 is 3128.
4. How to Find the LCM of 3126 and 3128?
Answer:
Least Common Multiple of 3126 and 3128 = 4889064
Step 1: Find the prime factorization of 3126
3126 = 2 x 3 x 521
Step 2: Find the prime factorization of 3128
3128 = 2 x 2 x 2 x 17 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4889064 = 2 x 2 x 2 x 3 x 17 x 23 x 521
Step 4: Therefore, the least common multiple of 3126 and 3128 is 4889064.