Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 31038 and 31042 the smallest integer that is 481740798 that is divisible by both numbers.
Least Common Multiple (LCM) of 31038 and 31042 is 481740798.
LCM(31038,31042) = 481740798
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 31038 and 31042. First we will calculate the prime factors of 31038 and 31042.
Prime Factorization of 31038
2 | 31038 |
3 | 15519 |
7 | 5173 |
739 | 739 |
1 |
Prime factors of 31038 are 2, 3, 7,739. Prime factorization of 31038 in exponential form is:
31038 = 21×31×71×7391
Prime Factorization of 31042
2 | 31042 |
11 | 15521 |
17 | 1411 |
83 | 83 |
1 |
Prime factors of 31042 are 2, 11, 17,83. Prime factorization of 31042 in exponential form is:
31042 = 21×111×171×831
Now multiplying the highest exponent prime factors to calculate the LCM of 31038 and 31042.
LCM(31038,31042) = 21×31×71×111×171×831×7391
LCM(31038,31042) = 481740798
Factors of 31038
List of positive integer factors of 31038 that divides 31038 without a remainder.
1, 2, 3, 6, 7, 14, 21, 42, 739, 1478, 2217, 4434, 5173, 10346, 15519, 31038
Factors of 31042
List of positive integer factors of 31042 that divides 31042 without a remainder.
1, 2, 11, 17, 22, 34, 83, 166, 187, 374, 913, 1411, 1826, 2822, 15521, 31042
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31038 and 31042, than apply into the LCM equation.
GCF(31038,31042) = 2
LCM(31038,31042) = ( 31038 × 31042) / 2
LCM(31038,31042) = 963481596 / 2
LCM(31038,31042) = 481740798
(i) The LCM of 31042 and 31038 is associative
LCM of 31038 and 31042 = LCM of 31042 and 31038
1. What is the LCM of 31038 and 31042?
Answer: LCM of 31038 and 31042 is 481740798.
2. What are the Factors of 31038?
Answer: Factors of 31038 are 1, 2, 3, 6, 7, 14, 21, 42, 739, 1478, 2217, 4434, 5173, 10346, 15519, 31038. There are 16 integers that are factors of 31038. The greatest factor of 31038 is 31038.
3. What are the Factors of 31042?
Answer: Factors of 31042 are 1, 2, 11, 17, 22, 34, 83, 166, 187, 374, 913, 1411, 1826, 2822, 15521, 31042. There are 16 integers that are factors of 31042. The greatest factor of 31042 is 31042.
4. How to Find the LCM of 31038 and 31042?
Answer:
Least Common Multiple of 31038 and 31042 = 481740798
Step 1: Find the prime factorization of 31038
31038 = 2 x 3 x 7 x 739
Step 2: Find the prime factorization of 31042
31042 = 2 x 11 x 17 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 481740798 = 2 x 3 x 7 x 11 x 17 x 83 x 739
Step 4: Therefore, the least common multiple of 31038 and 31042 is 481740798.