Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3961 and 3966 the smallest integer that is 15709326 that is divisible by both numbers.
Least Common Multiple (LCM) of 3961 and 3966 is 15709326.
LCM(3961,3966) = 15709326
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 3961 and 3966. First we will calculate the prime factors of 3961 and 3966.
Prime Factorization of 3961
17 | 3961 |
233 | 233 |
1 |
Prime factors of 3961 are 17,233. Prime factorization of 3961 in exponential form is:
3961 = 171×2331
Prime Factorization of 3966
2 | 3966 |
3 | 1983 |
661 | 661 |
1 |
Prime factors of 3966 are 2, 3,661. Prime factorization of 3966 in exponential form is:
3966 = 21×31×6611
Now multiplying the highest exponent prime factors to calculate the LCM of 3961 and 3966.
LCM(3961,3966) = 21×31×171×2331×6611
LCM(3961,3966) = 15709326
Factors of 3961
List of positive integer factors of 3961 that divides 3961 without a remainder.
1, 17, 233, 3961
Factors of 3966
List of positive integer factors of 3966 that divides 3966 without a remainder.
1, 2, 3, 6, 661, 1322, 1983, 3966
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3961 and 3966, than apply into the LCM equation.
GCF(3961,3966) = 1
LCM(3961,3966) = ( 3961 × 3966) / 1
LCM(3961,3966) = 15709326 / 1
LCM(3961,3966) = 15709326
(i) The LCM of 3966 and 3961 is associative
LCM of 3961 and 3966 = LCM of 3966 and 3961
1. What is the LCM of 3961 and 3966?
Answer: LCM of 3961 and 3966 is 15709326.
2. What are the Factors of 3961?
Answer: Factors of 3961 are 1, 17, 233, 3961. There are 4 integers that are factors of 3961. The greatest factor of 3961 is 3961.
3. What are the Factors of 3966?
Answer: Factors of 3966 are 1, 2, 3, 6, 661, 1322, 1983, 3966. There are 8 integers that are factors of 3966. The greatest factor of 3966 is 3966.
4. How to Find the LCM of 3961 and 3966?
Answer:
Least Common Multiple of 3961 and 3966 = 15709326
Step 1: Find the prime factorization of 3961
3961 = 17 x 233
Step 2: Find the prime factorization of 3966
3966 = 2 x 3 x 661
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15709326 = 2 x 3 x 17 x 233 x 661
Step 4: Therefore, the least common multiple of 3961 and 3966 is 15709326.