Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3949 and 3957 the smallest integer that is 15626193 that is divisible by both numbers.
Least Common Multiple (LCM) of 3949 and 3957 is 15626193.
LCM(3949,3957) = 15626193
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 3949 and 3957. First we will calculate the prime factors of 3949 and 3957.
Prime Factorization of 3949
11 | 3949 |
359 | 359 |
1 |
Prime factors of 3949 are 11,359. Prime factorization of 3949 in exponential form is:
3949 = 111×3591
Prime Factorization of 3957
3 | 3957 |
1319 | 1319 |
1 |
Prime factors of 3957 are 3,1319. Prime factorization of 3957 in exponential form is:
3957 = 31×13191
Now multiplying the highest exponent prime factors to calculate the LCM of 3949 and 3957.
LCM(3949,3957) = 31×111×3591×13191
LCM(3949,3957) = 15626193
Factors of 3949
List of positive integer factors of 3949 that divides 3949 without a remainder.
1, 11, 359, 3949
Factors of 3957
List of positive integer factors of 3957 that divides 3957 without a remainder.
1, 3, 1319, 3957
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3949 and 3957, than apply into the LCM equation.
GCF(3949,3957) = 1
LCM(3949,3957) = ( 3949 × 3957) / 1
LCM(3949,3957) = 15626193 / 1
LCM(3949,3957) = 15626193
(i) The LCM of 3957 and 3949 is associative
LCM of 3949 and 3957 = LCM of 3957 and 3949
1. What is the LCM of 3949 and 3957?
Answer: LCM of 3949 and 3957 is 15626193.
2. What are the Factors of 3949?
Answer: Factors of 3949 are 1, 11, 359, 3949. There are 4 integers that are factors of 3949. The greatest factor of 3949 is 3949.
3. What are the Factors of 3957?
Answer: Factors of 3957 are 1, 3, 1319, 3957. There are 4 integers that are factors of 3957. The greatest factor of 3957 is 3957.
4. How to Find the LCM of 3949 and 3957?
Answer:
Least Common Multiple of 3949 and 3957 = 15626193
Step 1: Find the prime factorization of 3949
3949 = 11 x 359
Step 2: Find the prime factorization of 3957
3957 = 3 x 1319
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15626193 = 3 x 11 x 359 x 1319
Step 4: Therefore, the least common multiple of 3949 and 3957 is 15626193.