Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 799 and 807 the smallest integer that is 644793 that is divisible by both numbers.
Least Common Multiple (LCM) of 799 and 807 is 644793.
LCM(799,807) = 644793
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 799 and 807. First we will calculate the prime factors of 799 and 807.
Prime Factorization of 799
17 | 799 |
47 | 47 |
1 |
Prime factors of 799 are 17,47. Prime factorization of 799 in exponential form is:
799 = 171×471
Prime Factorization of 807
3 | 807 |
269 | 269 |
1 |
Prime factors of 807 are 3,269. Prime factorization of 807 in exponential form is:
807 = 31×2691
Now multiplying the highest exponent prime factors to calculate the LCM of 799 and 807.
LCM(799,807) = 31×171×471×2691
LCM(799,807) = 644793
Factors of 799
List of positive integer factors of 799 that divides 799 without a remainder.
1, 17, 47, 799
Factors of 807
List of positive integer factors of 807 that divides 807 without a remainder.
1, 3, 269, 807
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 799 and 807, than apply into the LCM equation.
GCF(799,807) = 1
LCM(799,807) = ( 799 × 807) / 1
LCM(799,807) = 644793 / 1
LCM(799,807) = 644793
(i) The LCM of 807 and 799 is associative
LCM of 799 and 807 = LCM of 807 and 799
1. What is the LCM of 799 and 807?
Answer: LCM of 799 and 807 is 644793.
2. What are the Factors of 799?
Answer: Factors of 799 are 1, 17, 47, 799. There are 4 integers that are factors of 799. The greatest factor of 799 is 799.
3. What are the Factors of 807?
Answer: Factors of 807 are 1, 3, 269, 807. There are 4 integers that are factors of 807. The greatest factor of 807 is 807.
4. How to Find the LCM of 799 and 807?
Answer:
Least Common Multiple of 799 and 807 = 644793
Step 1: Find the prime factorization of 799
799 = 17 x 47
Step 2: Find the prime factorization of 807
807 = 3 x 269
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 644793 = 3 x 17 x 47 x 269
Step 4: Therefore, the least common multiple of 799 and 807 is 644793.