Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9970 and 9971 the smallest integer that is 99410870 that is divisible by both numbers.
Least Common Multiple (LCM) of 9970 and 9971 is 99410870.
LCM(9970,9971) = 99410870
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 9970 and 9971. First we will calculate the prime factors of 9970 and 9971.
Prime Factorization of 9970
2 | 9970 |
5 | 4985 |
997 | 997 |
1 |
Prime factors of 9970 are 2, 5,997. Prime factorization of 9970 in exponential form is:
9970 = 21×51×9971
Prime Factorization of 9971
13 | 9971 |
13 | 767 |
59 | 59 |
1 |
Prime factors of 9971 are 13,59. Prime factorization of 9971 in exponential form is:
9971 = 132×591
Now multiplying the highest exponent prime factors to calculate the LCM of 9970 and 9971.
LCM(9970,9971) = 21×51×132×591×9971
LCM(9970,9971) = 99410870
Factors of 9970
List of positive integer factors of 9970 that divides 9970 without a remainder.
1, 2, 5, 10, 997, 1994, 4985, 9970
Factors of 9971
List of positive integer factors of 9971 that divides 9971 without a remainder.
1, 13, 59, 169, 767, 9971
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9970 and 9971, than apply into the LCM equation.
GCF(9970,9971) = 1
LCM(9970,9971) = ( 9970 × 9971) / 1
LCM(9970,9971) = 99410870 / 1
LCM(9970,9971) = 99410870
(i) The LCM of 9971 and 9970 is associative
LCM of 9970 and 9971 = LCM of 9971 and 9970
1. What is the LCM of 9970 and 9971?
Answer: LCM of 9970 and 9971 is 99410870.
2. What are the Factors of 9970?
Answer: Factors of 9970 are 1, 2, 5, 10, 997, 1994, 4985, 9970. There are 8 integers that are factors of 9970. The greatest factor of 9970 is 9970.
3. What are the Factors of 9971?
Answer: Factors of 9971 are 1, 13, 59, 169, 767, 9971. There are 6 integers that are factors of 9971. The greatest factor of 9971 is 9971.
4. How to Find the LCM of 9970 and 9971?
Answer:
Least Common Multiple of 9970 and 9971 = 99410870
Step 1: Find the prime factorization of 9970
9970 = 2 x 5 x 997
Step 2: Find the prime factorization of 9971
9971 = 13 x 13 x 59
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 99410870 = 2 x 5 x 13 x 13 x 59 x 997
Step 4: Therefore, the least common multiple of 9970 and 9971 is 99410870.