Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3956 and 3964 the smallest integer that is 3920396 that is divisible by both numbers.
Least Common Multiple (LCM) of 3956 and 3964 is 3920396.
LCM(3956,3964) = 3920396
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 3956 and 3964. First we will calculate the prime factors of 3956 and 3964.
Prime Factorization of 3956
2 | 3956 |
2 | 1978 |
23 | 989 |
43 | 43 |
1 |
Prime factors of 3956 are 2, 23,43. Prime factorization of 3956 in exponential form is:
3956 = 22×231×431
Prime Factorization of 3964
2 | 3964 |
2 | 1982 |
991 | 991 |
1 |
Prime factors of 3964 are 2,991. Prime factorization of 3964 in exponential form is:
3964 = 22×9911
Now multiplying the highest exponent prime factors to calculate the LCM of 3956 and 3964.
LCM(3956,3964) = 22×231×431×9911
LCM(3956,3964) = 3920396
Factors of 3956
List of positive integer factors of 3956 that divides 3956 without a remainder.
1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956
Factors of 3964
List of positive integer factors of 3964 that divides 3964 without a remainder.
1, 2, 4, 991, 1982, 3964
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3956 and 3964, than apply into the LCM equation.
GCF(3956,3964) = 4
LCM(3956,3964) = ( 3956 × 3964) / 4
LCM(3956,3964) = 15681584 / 4
LCM(3956,3964) = 3920396
(i) The LCM of 3964 and 3956 is associative
LCM of 3956 and 3964 = LCM of 3964 and 3956
1. What is the LCM of 3956 and 3964?
Answer: LCM of 3956 and 3964 is 3920396.
2. What are the Factors of 3956?
Answer: Factors of 3956 are 1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956. There are 12 integers that are factors of 3956. The greatest factor of 3956 is 3956.
3. What are the Factors of 3964?
Answer: Factors of 3964 are 1, 2, 4, 991, 1982, 3964. There are 6 integers that are factors of 3964. The greatest factor of 3964 is 3964.
4. How to Find the LCM of 3956 and 3964?
Answer:
Least Common Multiple of 3956 and 3964 = 3920396
Step 1: Find the prime factorization of 3956
3956 = 2 x 2 x 23 x 43
Step 2: Find the prime factorization of 3964
3964 = 2 x 2 x 991
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3920396 = 2 x 2 x 23 x 43 x 991
Step 4: Therefore, the least common multiple of 3956 and 3964 is 3920396.