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 3959 the smallest integer that is 15642009 that is divisible by both numbers.
Least Common Multiple (LCM) of 3951 and 3959 is 15642009.
LCM(3951,3959) = 15642009
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 3959. First we will calculate the prime factors of 3951 and 3959.
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 3959
37 | 3959 |
107 | 107 |
1 |
Prime factors of 3959 are 37,107. Prime factorization of 3959 in exponential form is:
3959 = 371×1071
Now multiplying the highest exponent prime factors to calculate the LCM of 3951 and 3959.
LCM(3951,3959) = 32×371×1071×4391
LCM(3951,3959) = 15642009
Factors of 3951
List of positive integer factors of 3951 that divides 3951 without a remainder.
1, 3, 9, 439, 1317, 3951
Factors of 3959
List of positive integer factors of 3959 that divides 3959 without a remainder.
1, 37, 107, 3959
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3951 and 3959, than apply into the LCM equation.
GCF(3951,3959) = 1
LCM(3951,3959) = ( 3951 × 3959) / 1
LCM(3951,3959) = 15642009 / 1
LCM(3951,3959) = 15642009
(i) The LCM of 3959 and 3951 is associative
LCM of 3951 and 3959 = LCM of 3959 and 3951
1. What is the LCM of 3951 and 3959?
Answer: LCM of 3951 and 3959 is 15642009.
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 3959?
Answer: Factors of 3959 are 1, 37, 107, 3959. There are 4 integers that are factors of 3959. The greatest factor of 3959 is 3959.
4. How to Find the LCM of 3951 and 3959?
Answer:
Least Common Multiple of 3951 and 3959 = 15642009
Step 1: Find the prime factorization of 3951
3951 = 3 x 3 x 439
Step 2: Find the prime factorization of 3959
3959 = 37 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15642009 = 3 x 3 x 37 x 107 x 439
Step 4: Therefore, the least common multiple of 3951 and 3959 is 15642009.