Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4122 and 4128 the smallest integer that is 2835936 that is divisible by both numbers.
Least Common Multiple (LCM) of 4122 and 4128 is 2835936.
LCM(4122,4128) = 2835936
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 4122 and 4128. First we will calculate the prime factors of 4122 and 4128.
Prime Factorization of 4122
2 | 4122 |
3 | 2061 |
3 | 687 |
229 | 229 |
1 |
Prime factors of 4122 are 2, 3,229. Prime factorization of 4122 in exponential form is:
4122 = 21×32×2291
Prime Factorization of 4128
2 | 4128 |
2 | 2064 |
2 | 1032 |
2 | 516 |
2 | 258 |
3 | 129 |
43 | 43 |
1 |
Prime factors of 4128 are 2, 3,43. Prime factorization of 4128 in exponential form is:
4128 = 25×31×431
Now multiplying the highest exponent prime factors to calculate the LCM of 4122 and 4128.
LCM(4122,4128) = 25×32×431×2291
LCM(4122,4128) = 2835936
Factors of 4122
List of positive integer factors of 4122 that divides 4122 without a remainder.
1, 2, 3, 6, 9, 18, 229, 458, 687, 1374, 2061, 4122
Factors of 4128
List of positive integer factors of 4128 that divides 4128 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4122 and 4128, than apply into the LCM equation.
GCF(4122,4128) = 6
LCM(4122,4128) = ( 4122 × 4128) / 6
LCM(4122,4128) = 17015616 / 6
LCM(4122,4128) = 2835936
(i) The LCM of 4128 and 4122 is associative
LCM of 4122 and 4128 = LCM of 4128 and 4122
1. What is the LCM of 4122 and 4128?
Answer: LCM of 4122 and 4128 is 2835936.
2. What are the Factors of 4122?
Answer: Factors of 4122 are 1, 2, 3, 6, 9, 18, 229, 458, 687, 1374, 2061, 4122. There are 12 integers that are factors of 4122. The greatest factor of 4122 is 4122.
3. What are the Factors of 4128?
Answer: Factors of 4128 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128. There are 24 integers that are factors of 4128. The greatest factor of 4128 is 4128.
4. How to Find the LCM of 4122 and 4128?
Answer:
Least Common Multiple of 4122 and 4128 = 2835936
Step 1: Find the prime factorization of 4122
4122 = 2 x 3 x 3 x 229
Step 2: Find the prime factorization of 4128
4128 = 2 x 2 x 2 x 2 x 2 x 3 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2835936 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 43 x 229
Step 4: Therefore, the least common multiple of 4122 and 4128 is 2835936.