Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 991 and 995 the smallest integer that is 986045 that is divisible by both numbers.
Least Common Multiple (LCM) of 991 and 995 is 986045.
LCM(991,995) = 986045
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 991 and 995. First we will calculate the prime factors of 991 and 995.
Prime Factorization of 991
991 | 991 |
1 |
Prime factors of 991 are 991. Prime factorization of 991 in exponential form is:
991 = 9911
Prime Factorization of 995
5 | 995 |
199 | 199 |
1 |
Prime factors of 995 are 5,199. Prime factorization of 995 in exponential form is:
995 = 51×1991
Now multiplying the highest exponent prime factors to calculate the LCM of 991 and 995.
LCM(991,995) = 51×1991×9911
LCM(991,995) = 986045
Factors of 991
List of positive integer factors of 991 that divides 991 without a remainder.
1, 991
Factors of 995
List of positive integer factors of 995 that divides 995 without a remainder.
1, 5, 199, 995
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 991 and 995, than apply into the LCM equation.
GCF(991,995) = 1
LCM(991,995) = ( 991 × 995) / 1
LCM(991,995) = 986045 / 1
LCM(991,995) = 986045
(i) The LCM of 995 and 991 is associative
LCM of 991 and 995 = LCM of 995 and 991
1. What is the LCM of 991 and 995?
Answer: LCM of 991 and 995 is 986045.
2. 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.
3. What are the Factors of 995?
Answer: Factors of 995 are 1, 5, 199, 995. There are 4 integers that are factors of 995. The greatest factor of 995 is 995.
4. How to Find the LCM of 991 and 995?
Answer:
Least Common Multiple of 991 and 995 = 986045
Step 1: Find the prime factorization of 991
991 = 991
Step 2: Find the prime factorization of 995
995 = 5 x 199
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 986045 = 5 x 199 x 991
Step 4: Therefore, the least common multiple of 991 and 995 is 986045.