Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 491 and 496 the smallest integer that is 243536 that is divisible by both numbers.
Least Common Multiple (LCM) of 491 and 496 is 243536.
LCM(491,496) = 243536
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 491 and 496. First we will calculate the prime factors of 491 and 496.
Prime Factorization of 491
491 | 491 |
1 |
Prime factors of 491 are 491. Prime factorization of 491 in exponential form is:
491 = 4911
Prime Factorization of 496
2 | 496 |
2 | 248 |
2 | 124 |
2 | 62 |
31 | 31 |
1 |
Prime factors of 496 are 2,31. Prime factorization of 496 in exponential form is:
496 = 24×311
Now multiplying the highest exponent prime factors to calculate the LCM of 491 and 496.
LCM(491,496) = 24×311×4911
LCM(491,496) = 243536
Factors of 491
List of positive integer factors of 491 that divides 491 without a remainder.
1, 491
Factors of 496
List of positive integer factors of 496 that divides 496 without a remainder.
1, 2, 4, 8, 16, 31, 62, 124, 248, 496
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 491 and 496, than apply into the LCM equation.
GCF(491,496) = 1
LCM(491,496) = ( 491 × 496) / 1
LCM(491,496) = 243536 / 1
LCM(491,496) = 243536
(i) The LCM of 496 and 491 is associative
LCM of 491 and 496 = LCM of 496 and 491
1. What is the LCM of 491 and 496?
Answer: LCM of 491 and 496 is 243536.
2. What are the Factors of 491?
Answer: Factors of 491 are 1, 491. There are 2 integers that are factors of 491. The greatest factor of 491 is 491.
3. What are the Factors of 496?
Answer: Factors of 496 are 1, 2, 4, 8, 16, 31, 62, 124, 248, 496. There are 10 integers that are factors of 496. The greatest factor of 496 is 496.
4. How to Find the LCM of 491 and 496?
Answer:
Least Common Multiple of 491 and 496 = 243536
Step 1: Find the prime factorization of 491
491 = 491
Step 2: Find the prime factorization of 496
496 = 2 x 2 x 2 x 2 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 243536 = 2 x 2 x 2 x 2 x 31 x 491
Step 4: Therefore, the least common multiple of 491 and 496 is 243536.