Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3973 and 3977 the smallest integer that is 15800621 that is divisible by both numbers.
Least Common Multiple (LCM) of 3973 and 3977 is 15800621.
LCM(3973,3977) = 15800621
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 3973 and 3977. First we will calculate the prime factors of 3973 and 3977.
Prime Factorization of 3973
29 | 3973 |
137 | 137 |
1 |
Prime factors of 3973 are 29,137. Prime factorization of 3973 in exponential form is:
3973 = 291×1371
Prime Factorization of 3977
41 | 3977 |
97 | 97 |
1 |
Prime factors of 3977 are 41,97. Prime factorization of 3977 in exponential form is:
3977 = 411×971
Now multiplying the highest exponent prime factors to calculate the LCM of 3973 and 3977.
LCM(3973,3977) = 291×411×971×1371
LCM(3973,3977) = 15800621
Factors of 3973
List of positive integer factors of 3973 that divides 3973 without a remainder.
1, 29, 137, 3973
Factors of 3977
List of positive integer factors of 3977 that divides 3977 without a remainder.
1, 41, 97, 3977
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3973 and 3977, than apply into the LCM equation.
GCF(3973,3977) = 1
LCM(3973,3977) = ( 3973 × 3977) / 1
LCM(3973,3977) = 15800621 / 1
LCM(3973,3977) = 15800621
(i) The LCM of 3977 and 3973 is associative
LCM of 3973 and 3977 = LCM of 3977 and 3973
1. What is the LCM of 3973 and 3977?
Answer: LCM of 3973 and 3977 is 15800621.
2. What are the Factors of 3973?
Answer: Factors of 3973 are 1, 29, 137, 3973. There are 4 integers that are factors of 3973. The greatest factor of 3973 is 3973.
3. What are the Factors of 3977?
Answer: Factors of 3977 are 1, 41, 97, 3977. There are 4 integers that are factors of 3977. The greatest factor of 3977 is 3977.
4. How to Find the LCM of 3973 and 3977?
Answer:
Least Common Multiple of 3973 and 3977 = 15800621
Step 1: Find the prime factorization of 3973
3973 = 29 x 137
Step 2: Find the prime factorization of 3977
3977 = 41 x 97
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15800621 = 29 x 41 x 97 x 137
Step 4: Therefore, the least common multiple of 3973 and 3977 is 15800621.