Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7995 and 8003 the smallest integer that is 63983985 that is divisible by both numbers.
Least Common Multiple (LCM) of 7995 and 8003 is 63983985.
LCM(7995,8003) = 63983985
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 7995 and 8003. First we will calculate the prime factors of 7995 and 8003.
Prime Factorization of 7995
3 | 7995 |
5 | 2665 |
13 | 533 |
41 | 41 |
1 |
Prime factors of 7995 are 3, 5, 13,41. Prime factorization of 7995 in exponential form is:
7995 = 31×51×131×411
Prime Factorization of 8003
53 | 8003 |
151 | 151 |
1 |
Prime factors of 8003 are 53,151. Prime factorization of 8003 in exponential form is:
8003 = 531×1511
Now multiplying the highest exponent prime factors to calculate the LCM of 7995 and 8003.
LCM(7995,8003) = 31×51×131×411×531×1511
LCM(7995,8003) = 63983985
Factors of 7995
List of positive integer factors of 7995 that divides 7995 without a remainder.
1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995
Factors of 8003
List of positive integer factors of 8003 that divides 8003 without a remainder.
1, 53, 151, 8003
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7995 and 8003, than apply into the LCM equation.
GCF(7995,8003) = 1
LCM(7995,8003) = ( 7995 × 8003) / 1
LCM(7995,8003) = 63983985 / 1
LCM(7995,8003) = 63983985
(i) The LCM of 8003 and 7995 is associative
LCM of 7995 and 8003 = LCM of 8003 and 7995
1. What is the LCM of 7995 and 8003?
Answer: LCM of 7995 and 8003 is 63983985.
2. What are the Factors of 7995?
Answer: Factors of 7995 are 1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995. There are 16 integers that are factors of 7995. The greatest factor of 7995 is 7995.
3. What are the Factors of 8003?
Answer: Factors of 8003 are 1, 53, 151, 8003. There are 4 integers that are factors of 8003. The greatest factor of 8003 is 8003.
4. How to Find the LCM of 7995 and 8003?
Answer:
Least Common Multiple of 7995 and 8003 = 63983985
Step 1: Find the prime factorization of 7995
7995 = 3 x 5 x 13 x 41
Step 2: Find the prime factorization of 8003
8003 = 53 x 151
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 63983985 = 3 x 5 x 13 x 41 x 53 x 151
Step 4: Therefore, the least common multiple of 7995 and 8003 is 63983985.