Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 691 and 696 the smallest integer that is 480936 that is divisible by both numbers.
Least Common Multiple (LCM) of 691 and 696 is 480936.
LCM(691,696) = 480936
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 691 and 696. First we will calculate the prime factors of 691 and 696.
Prime Factorization of 691
691 | 691 |
1 |
Prime factors of 691 are 691. Prime factorization of 691 in exponential form is:
691 = 6911
Prime Factorization of 696
2 | 696 |
2 | 348 |
2 | 174 |
3 | 87 |
29 | 29 |
1 |
Prime factors of 696 are 2, 3,29. Prime factorization of 696 in exponential form is:
696 = 23×31×291
Now multiplying the highest exponent prime factors to calculate the LCM of 691 and 696.
LCM(691,696) = 23×31×291×6911
LCM(691,696) = 480936
Factors of 691
List of positive integer factors of 691 that divides 691 without a remainder.
1, 691
Factors of 696
List of positive integer factors of 696 that divides 696 without a remainder.
1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 174, 232, 348, 696
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 691 and 696, than apply into the LCM equation.
GCF(691,696) = 1
LCM(691,696) = ( 691 × 696) / 1
LCM(691,696) = 480936 / 1
LCM(691,696) = 480936
(i) The LCM of 696 and 691 is associative
LCM of 691 and 696 = LCM of 696 and 691
1. What is the LCM of 691 and 696?
Answer: LCM of 691 and 696 is 480936.
2. What are the Factors of 691?
Answer: Factors of 691 are 1, 691. There are 2 integers that are factors of 691. The greatest factor of 691 is 691.
3. What are the Factors of 696?
Answer: Factors of 696 are 1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 174, 232, 348, 696. There are 16 integers that are factors of 696. The greatest factor of 696 is 696.
4. How to Find the LCM of 691 and 696?
Answer:
Least Common Multiple of 691 and 696 = 480936
Step 1: Find the prime factorization of 691
691 = 691
Step 2: Find the prime factorization of 696
696 = 2 x 2 x 2 x 3 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 480936 = 2 x 2 x 2 x 3 x 29 x 691
Step 4: Therefore, the least common multiple of 691 and 696 is 480936.