Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 939 and 940 the smallest integer that is 882660 that is divisible by both numbers.
Least Common Multiple (LCM) of 939 and 940 is 882660.
LCM(939,940) = 882660
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 939 and 940. First we will calculate the prime factors of 939 and 940.
Prime Factorization of 939
3 | 939 |
313 | 313 |
1 |
Prime factors of 939 are 3,313. Prime factorization of 939 in exponential form is:
939 = 31×3131
Prime Factorization of 940
2 | 940 |
2 | 470 |
5 | 235 |
47 | 47 |
1 |
Prime factors of 940 are 2, 5,47. Prime factorization of 940 in exponential form is:
940 = 22×51×471
Now multiplying the highest exponent prime factors to calculate the LCM of 939 and 940.
LCM(939,940) = 22×31×51×471×3131
LCM(939,940) = 882660
Factors of 939
List of positive integer factors of 939 that divides 939 without a remainder.
1, 3, 313, 939
Factors of 940
List of positive integer factors of 940 that divides 940 without a remainder.
1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 939 and 940, than apply into the LCM equation.
GCF(939,940) = 1
LCM(939,940) = ( 939 × 940) / 1
LCM(939,940) = 882660 / 1
LCM(939,940) = 882660
(i) The LCM of 940 and 939 is associative
LCM of 939 and 940 = LCM of 940 and 939
1. What is the LCM of 939 and 940?
Answer: LCM of 939 and 940 is 882660.
2. What are the Factors of 939?
Answer: Factors of 939 are 1, 3, 313, 939. There are 4 integers that are factors of 939. The greatest factor of 939 is 939.
3. What are the Factors of 940?
Answer: Factors of 940 are 1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940. There are 12 integers that are factors of 940. The greatest factor of 940 is 940.
4. How to Find the LCM of 939 and 940?
Answer:
Least Common Multiple of 939 and 940 = 882660
Step 1: Find the prime factorization of 939
939 = 3 x 313
Step 2: Find the prime factorization of 940
940 = 2 x 2 x 5 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 882660 = 2 x 2 x 3 x 5 x 47 x 313
Step 4: Therefore, the least common multiple of 939 and 940 is 882660.