Least Common Multiple of 9970 and 9975

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 9975 the smallest integer that is 19890150 that is divisible by both numbers.

Least Common Multiple (LCM) of 9970 and 9975 is 19890150.

LCM(9970,9975) = 19890150

LCM of 9970 and 9975

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 9970 and 9975

LCM of 9970 and 9975 is 19890150

Least common multiple can be found by multiplying the highest exponent prime factors of 9970 and 9975. First we will calculate the prime factors of 9970 and 9975.

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 9975


3 9975
5 3325
5 665
7 133
19 19
1

Prime factors of 9975 are 3, 5, 7,19. Prime factorization of 9975 in exponential form is:

9975 = 31×52×71×191

Now multiplying the highest exponent prime factors to calculate the LCM of 9970 and 9975.

LCM(9970,9975) = 21×31×52×71×191×9971
LCM(9970,9975) = 19890150

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 9975

List of positive integer factors of 9975 that divides 9975 without a remainder.

1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975

Least Common Multiple of 9970 and 9975 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9970 and 9975, than apply into the LCM equation.

GCF(9970,9975) = 5
LCM(9970,9975) = ( 9970 × 9975) / 5
LCM(9970,9975) = 99450750 / 5
LCM(9970,9975) = 19890150

Properties of LCM 9970 and 9975

(i) The LCM of 9975 and 9970 is associative

LCM of 9970 and 9975 = LCM of 9975 and 9970

Frequently Asked Questions on LCM of 9970 and 9975

1. What is the LCM of 9970 and 9975?

Answer: LCM of 9970 and 9975 is 19890150.

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 9975?

Answer: Factors of 9975 are 1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1995, 3325, 9975. There are 24 integers that are factors of 9975. The greatest factor of 9975 is 9975.

4. How to Find the LCM of 9970 and 9975?

Answer:

Least Common Multiple of 9970 and 9975 = 19890150

Step 1: Find the prime factorization of 9970

9970 = 2 x 5 x 997

Step 2: Find the prime factorization of 9975

9975 = 3 x 5 x 5 x 7 x 19

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 19890150 = 2 x 3 x 5 x 5 x 7 x 19 x 997

Step 4: Therefore, the least common multiple of 9970 and 9975 is 19890150.