Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 997 and 1004 the smallest integer that is 1000988 that is divisible by both numbers.
Least Common Multiple (LCM) of 997 and 1004 is 1000988.
LCM(997,1004) = 1000988
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 997 and 1004. First we will calculate the prime factors of 997 and 1004.
Prime Factorization of 997
997 | 997 |
1 |
Prime factors of 997 are 997. Prime factorization of 997 in exponential form is:
997 = 9971
Prime Factorization of 1004
2 | 1004 |
2 | 502 |
251 | 251 |
1 |
Prime factors of 1004 are 2,251. Prime factorization of 1004 in exponential form is:
1004 = 22×2511
Now multiplying the highest exponent prime factors to calculate the LCM of 997 and 1004.
LCM(997,1004) = 22×2511×9971
LCM(997,1004) = 1000988
Factors of 997
List of positive integer factors of 997 that divides 997 without a remainder.
1, 997
Factors of 1004
List of positive integer factors of 1004 that divides 1004 without a remainder.
1, 2, 4, 251, 502, 1004
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 997 and 1004, than apply into the LCM equation.
GCF(997,1004) = 1
LCM(997,1004) = ( 997 × 1004) / 1
LCM(997,1004) = 1000988 / 1
LCM(997,1004) = 1000988
(i) The LCM of 1004 and 997 is associative
LCM of 997 and 1004 = LCM of 1004 and 997
1. What is the LCM of 997 and 1004?
Answer: LCM of 997 and 1004 is 1000988.
2. What are the Factors of 997?
Answer: Factors of 997 are 1, 997. There are 2 integers that are factors of 997. The greatest factor of 997 is 997.
3. What are the Factors of 1004?
Answer: Factors of 1004 are 1, 2, 4, 251, 502, 1004. There are 6 integers that are factors of 1004. The greatest factor of 1004 is 1004.
4. How to Find the LCM of 997 and 1004?
Answer:
Least Common Multiple of 997 and 1004 = 1000988
Step 1: Find the prime factorization of 997
997 = 997
Step 2: Find the prime factorization of 1004
1004 = 2 x 2 x 251
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1000988 = 2 x 2 x 251 x 997
Step 4: Therefore, the least common multiple of 997 and 1004 is 1000988.