Least Common Multiple of 7991 and 7995

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 7991 and 7995 the smallest integer that is 63888045 that is divisible by both numbers.

Least Common Multiple (LCM) of 7991 and 7995 is 63888045.

LCM(7991,7995) = 63888045

LCM of 7991 and 7995

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

LCM of:
and

Least Common Multiple of 7991 and 7995

LCM of 7991 and 7995 is 63888045

Least common multiple can be found by multiplying the highest exponent prime factors of 7991 and 7995. First we will calculate the prime factors of 7991 and 7995.

Prime Factorization of 7991


61 7991
131 131
1

Prime factors of 7991 are 61,131. Prime factorization of 7991 in exponential form is:

7991 = 611×1311

Prime Factorization of 7995


3 7995
5 2665
13 533
41 41
1

Prime factors of 7995 are 3, 5, 13,41. Prime factorization of 7995 in exponential form is:

7995 = 31×51×131×411

Now multiplying the highest exponent prime factors to calculate the LCM of 7991 and 7995.

LCM(7991,7995) = 31×51×131×411×611×1311
LCM(7991,7995) = 63888045

Factors of 7991

List of positive integer factors of 7991 that divides 7991 without a remainder.

1, 61, 131, 7991

Factors of 7995

List of positive integer factors of 7995 that divides 7995 without a remainder.

1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995

Least Common Multiple of 7991 and 7995 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7991 and 7995, than apply into the LCM equation.

GCF(7991,7995) = 1
LCM(7991,7995) = ( 7991 × 7995) / 1
LCM(7991,7995) = 63888045 / 1
LCM(7991,7995) = 63888045

Properties of LCM 7991 and 7995

(i) The LCM of 7995 and 7991 is associative

LCM of 7991 and 7995 = LCM of 7995 and 7991

Frequently Asked Questions on LCM of 7991 and 7995

1. What is the LCM of 7991 and 7995?

Answer: LCM of 7991 and 7995 is 63888045.

2. What are the Factors of 7991?

Answer: Factors of 7991 are 1, 61, 131, 7991. There are 4 integers that are factors of 7991. The greatest factor of 7991 is 7991.

3. What are the Factors of 7995?

Answer: Factors of 7995 are 1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995. There are 16 integers that are factors of 7995. The greatest factor of 7995 is 7995.

4. How to Find the LCM of 7991 and 7995?

Answer:

Least Common Multiple of 7991 and 7995 = 63888045

Step 1: Find the prime factorization of 7991

7991 = 61 x 131

Step 2: Find the prime factorization of 7995

7995 = 3 x 5 x 13 x 41

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

LCM = 63888045 = 3 x 5 x 13 x 41 x 61 x 131

Step 4: Therefore, the least common multiple of 7991 and 7995 is 63888045.