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 498 the smallest integer that is 244518 that is divisible by both numbers.
Least Common Multiple (LCM) of 491 and 498 is 244518.
LCM(491,498) = 244518
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 498. First we will calculate the prime factors of 491 and 498.
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 498
2 | 498 |
3 | 249 |
83 | 83 |
1 |
Prime factors of 498 are 2, 3,83. Prime factorization of 498 in exponential form is:
498 = 21×31×831
Now multiplying the highest exponent prime factors to calculate the LCM of 491 and 498.
LCM(491,498) = 21×31×831×4911
LCM(491,498) = 244518
Factors of 491
List of positive integer factors of 491 that divides 491 without a remainder.
1, 491
Factors of 498
List of positive integer factors of 498 that divides 498 without a remainder.
1, 2, 3, 6, 83, 166, 249, 498
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 491 and 498, than apply into the LCM equation.
GCF(491,498) = 1
LCM(491,498) = ( 491 × 498) / 1
LCM(491,498) = 244518 / 1
LCM(491,498) = 244518
(i) The LCM of 498 and 491 is associative
LCM of 491 and 498 = LCM of 498 and 491
1. What is the LCM of 491 and 498?
Answer: LCM of 491 and 498 is 244518.
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 498?
Answer: Factors of 498 are 1, 2, 3, 6, 83, 166, 249, 498. There are 8 integers that are factors of 498. The greatest factor of 498 is 498.
4. How to Find the LCM of 491 and 498?
Answer:
Least Common Multiple of 491 and 498 = 244518
Step 1: Find the prime factorization of 491
491 = 491
Step 2: Find the prime factorization of 498
498 = 2 x 3 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 244518 = 2 x 3 x 83 x 491
Step 4: Therefore, the least common multiple of 491 and 498 is 244518.