Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7941 and 7945 the smallest integer that is 63091245 that is divisible by both numbers.
Least Common Multiple (LCM) of 7941 and 7945 is 63091245.
LCM(7941,7945) = 63091245
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 7941 and 7945. First we will calculate the prime factors of 7941 and 7945.
Prime Factorization of 7941
3 | 7941 |
2647 | 2647 |
1 |
Prime factors of 7941 are 3,2647. Prime factorization of 7941 in exponential form is:
7941 = 31×26471
Prime Factorization of 7945
5 | 7945 |
7 | 1589 |
227 | 227 |
1 |
Prime factors of 7945 are 5, 7,227. Prime factorization of 7945 in exponential form is:
7945 = 51×71×2271
Now multiplying the highest exponent prime factors to calculate the LCM of 7941 and 7945.
LCM(7941,7945) = 31×51×71×2271×26471
LCM(7941,7945) = 63091245
Factors of 7941
List of positive integer factors of 7941 that divides 7941 without a remainder.
1, 3, 2647, 7941
Factors of 7945
List of positive integer factors of 7945 that divides 7945 without a remainder.
1, 5, 7, 35, 227, 1135, 1589, 7945
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7941 and 7945, than apply into the LCM equation.
GCF(7941,7945) = 1
LCM(7941,7945) = ( 7941 × 7945) / 1
LCM(7941,7945) = 63091245 / 1
LCM(7941,7945) = 63091245
(i) The LCM of 7945 and 7941 is associative
LCM of 7941 and 7945 = LCM of 7945 and 7941
1. What is the LCM of 7941 and 7945?
Answer: LCM of 7941 and 7945 is 63091245.
2. What are the Factors of 7941?
Answer: Factors of 7941 are 1, 3, 2647, 7941. There are 4 integers that are factors of 7941. The greatest factor of 7941 is 7941.
3. What are the Factors of 7945?
Answer: Factors of 7945 are 1, 5, 7, 35, 227, 1135, 1589, 7945. There are 8 integers that are factors of 7945. The greatest factor of 7945 is 7945.
4. How to Find the LCM of 7941 and 7945?
Answer:
Least Common Multiple of 7941 and 7945 = 63091245
Step 1: Find the prime factorization of 7941
7941 = 3 x 2647
Step 2: Find the prime factorization of 7945
7945 = 5 x 7 x 227
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 63091245 = 3 x 5 x 7 x 227 x 2647
Step 4: Therefore, the least common multiple of 7941 and 7945 is 63091245.