Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 794 and 798 the smallest integer that is 316806 that is divisible by both numbers.
Least Common Multiple (LCM) of 794 and 798 is 316806.
LCM(794,798) = 316806
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 794 and 798. First we will calculate the prime factors of 794 and 798.
Prime Factorization of 794
2 | 794 |
397 | 397 |
1 |
Prime factors of 794 are 2,397. Prime factorization of 794 in exponential form is:
794 = 21×3971
Prime Factorization of 798
2 | 798 |
3 | 399 |
7 | 133 |
19 | 19 |
1 |
Prime factors of 798 are 2, 3, 7,19. Prime factorization of 798 in exponential form is:
798 = 21×31×71×191
Now multiplying the highest exponent prime factors to calculate the LCM of 794 and 798.
LCM(794,798) = 21×31×71×191×3971
LCM(794,798) = 316806
Factors of 794
List of positive integer factors of 794 that divides 794 without a remainder.
1, 2, 397, 794
Factors of 798
List of positive integer factors of 798 that divides 798 without a remainder.
1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 794 and 798, than apply into the LCM equation.
GCF(794,798) = 2
LCM(794,798) = ( 794 × 798) / 2
LCM(794,798) = 633612 / 2
LCM(794,798) = 316806
(i) The LCM of 798 and 794 is associative
LCM of 794 and 798 = LCM of 798 and 794
1. What is the LCM of 794 and 798?
Answer: LCM of 794 and 798 is 316806.
2. What are the Factors of 794?
Answer: Factors of 794 are 1, 2, 397, 794. There are 4 integers that are factors of 794. The greatest factor of 794 is 794.
3. What are the Factors of 798?
Answer: Factors of 798 are 1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798. There are 16 integers that are factors of 798. The greatest factor of 798 is 798.
4. How to Find the LCM of 794 and 798?
Answer:
Least Common Multiple of 794 and 798 = 316806
Step 1: Find the prime factorization of 794
794 = 2 x 397
Step 2: Find the prime factorization of 798
798 = 2 x 3 x 7 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 316806 = 2 x 3 x 7 x 19 x 397
Step 4: Therefore, the least common multiple of 794 and 798 is 316806.