Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3951 and 3957 the smallest integer that is 5211369 that is divisible by both numbers.
Least Common Multiple (LCM) of 3951 and 3957 is 5211369.
LCM(3951,3957) = 5211369
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 3951 and 3957. First we will calculate the prime factors of 3951 and 3957.
Prime Factorization of 3951
3 | 3951 |
3 | 1317 |
439 | 439 |
1 |
Prime factors of 3951 are 3,439. Prime factorization of 3951 in exponential form is:
3951 = 32×4391
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 3951 and 3957.
LCM(3951,3957) = 32×4391×13191
LCM(3951,3957) = 5211369
Factors of 3951
List of positive integer factors of 3951 that divides 3951 without a remainder.
1, 3, 9, 439, 1317, 3951
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 3951 and 3957, than apply into the LCM equation.
GCF(3951,3957) = 3
LCM(3951,3957) = ( 3951 × 3957) / 3
LCM(3951,3957) = 15634107 / 3
LCM(3951,3957) = 5211369
(i) The LCM of 3957 and 3951 is associative
LCM of 3951 and 3957 = LCM of 3957 and 3951
1. What is the LCM of 3951 and 3957?
Answer: LCM of 3951 and 3957 is 5211369.
2. What are the Factors of 3951?
Answer: Factors of 3951 are 1, 3, 9, 439, 1317, 3951. There are 6 integers that are factors of 3951. The greatest factor of 3951 is 3951.
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 3951 and 3957?
Answer:
Least Common Multiple of 3951 and 3957 = 5211369
Step 1: Find the prime factorization of 3951
3951 = 3 x 3 x 439
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 = 5211369 = 3 x 3 x 439 x 1319
Step 4: Therefore, the least common multiple of 3951 and 3957 is 5211369.