Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 803 and 808 the smallest integer that is 648824 that is divisible by both numbers.
Least Common Multiple (LCM) of 803 and 808 is 648824.
LCM(803,808) = 648824
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 803 and 808. First we will calculate the prime factors of 803 and 808.
Prime Factorization of 803
11 | 803 |
73 | 73 |
1 |
Prime factors of 803 are 11,73. Prime factorization of 803 in exponential form is:
803 = 111×731
Prime Factorization of 808
2 | 808 |
2 | 404 |
2 | 202 |
101 | 101 |
1 |
Prime factors of 808 are 2,101. Prime factorization of 808 in exponential form is:
808 = 23×1011
Now multiplying the highest exponent prime factors to calculate the LCM of 803 and 808.
LCM(803,808) = 23×111×731×1011
LCM(803,808) = 648824
Factors of 803
List of positive integer factors of 803 that divides 803 without a remainder.
1, 11, 73, 803
Factors of 808
List of positive integer factors of 808 that divides 808 without a remainder.
1, 2, 4, 8, 101, 202, 404, 808
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 803 and 808, than apply into the LCM equation.
GCF(803,808) = 1
LCM(803,808) = ( 803 × 808) / 1
LCM(803,808) = 648824 / 1
LCM(803,808) = 648824
(i) The LCM of 808 and 803 is associative
LCM of 803 and 808 = LCM of 808 and 803
1. What is the LCM of 803 and 808?
Answer: LCM of 803 and 808 is 648824.
2. What are the Factors of 803?
Answer: Factors of 803 are 1, 11, 73, 803. There are 4 integers that are factors of 803. The greatest factor of 803 is 803.
3. What are the Factors of 808?
Answer: Factors of 808 are 1, 2, 4, 8, 101, 202, 404, 808. There are 8 integers that are factors of 808. The greatest factor of 808 is 808.
4. How to Find the LCM of 803 and 808?
Answer:
Least Common Multiple of 803 and 808 = 648824
Step 1: Find the prime factorization of 803
803 = 11 x 73
Step 2: Find the prime factorization of 808
808 = 2 x 2 x 2 x 101
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 648824 = 2 x 2 x 2 x 11 x 73 x 101
Step 4: Therefore, the least common multiple of 803 and 808 is 648824.