Least Common Multiple of 985 and 991

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 985 and 991 the smallest integer that is 976135 that is divisible by both numbers.

Least Common Multiple (LCM) of 985 and 991 is 976135.

LCM(985,991) = 976135

LCM of 985 and 991

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

LCM of:
and

Least Common Multiple of 985 and 991

LCM of 985 and 991 is 976135

Least common multiple can be found by multiplying the highest exponent prime factors of 985 and 991. First we will calculate the prime factors of 985 and 991.

Prime Factorization of 985


5 985
197 197
1

Prime factors of 985 are 5,197. Prime factorization of 985 in exponential form is:

985 = 51×1971

Prime Factorization of 991


991 991
1

Prime factors of 991 are 991. Prime factorization of 991 in exponential form is:

991 = 9911

Now multiplying the highest exponent prime factors to calculate the LCM of 985 and 991.

LCM(985,991) = 51×1971×9911
LCM(985,991) = 976135

Factors of 985

List of positive integer factors of 985 that divides 985 without a remainder.

1, 5, 197, 985

Factors of 991

List of positive integer factors of 991 that divides 991 without a remainder.

1, 991

Least Common Multiple of 985 and 991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 985 and 991, than apply into the LCM equation.

GCF(985,991) = 1
LCM(985,991) = ( 985 × 991) / 1
LCM(985,991) = 976135 / 1
LCM(985,991) = 976135

Properties of LCM 985 and 991

(i) The LCM of 991 and 985 is associative

LCM of 985 and 991 = LCM of 991 and 985

Frequently Asked Questions on LCM of 985 and 991

1. What is the LCM of 985 and 991?

Answer: LCM of 985 and 991 is 976135.

2. What are the Factors of 985?

Answer: Factors of 985 are 1, 5, 197, 985. There are 4 integers that are factors of 985. The greatest factor of 985 is 985.

3. What are the Factors of 991?

Answer: Factors of 991 are 1, 991. There are 2 integers that are factors of 991. The greatest factor of 991 is 991.

4. How to Find the LCM of 985 and 991?

Answer:

Least Common Multiple of 985 and 991 = 976135

Step 1: Find the prime factorization of 985

985 = 5 x 197

Step 2: Find the prime factorization of 991

991 = 991

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

LCM = 976135 = 5 x 197 x 991

Step 4: Therefore, the least common multiple of 985 and 991 is 976135.