Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 81761 and 81767 the smallest integer that is 6685351687 that is divisible by both numbers.
Least Common Multiple (LCM) of 81761 and 81767 is 6685351687.
LCM(81761,81767) = 6685351687
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 81761 and 81767. First we will calculate the prime factors of 81761 and 81767.
Prime Factorization of 81761
81761 | 81761 |
1 |
Prime factors of 81761 are 81761. Prime factorization of 81761 in exponential form is:
81761 = 817611
Prime Factorization of 81767
7 | 81767 |
11681 | 11681 |
1 |
Prime factors of 81767 are 7,11681. Prime factorization of 81767 in exponential form is:
81767 = 71×116811
Now multiplying the highest exponent prime factors to calculate the LCM of 81761 and 81767.
LCM(81761,81767) = 71×116811×817611
LCM(81761,81767) = 6685351687
Factors of 81761
List of positive integer factors of 81761 that divides 81761 without a remainder.
1, 81761
Factors of 81767
List of positive integer factors of 81767 that divides 81767 without a remainder.
1, 7, 11681, 81767
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81761 and 81767, than apply into the LCM equation.
GCF(81761,81767) = 1
LCM(81761,81767) = ( 81761 × 81767) / 1
LCM(81761,81767) = 6685351687 / 1
LCM(81761,81767) = 6685351687
(i) The LCM of 81767 and 81761 is associative
LCM of 81761 and 81767 = LCM of 81767 and 81761
1. What is the LCM of 81761 and 81767?
Answer: LCM of 81761 and 81767 is 6685351687.
2. What are the Factors of 81761?
Answer: Factors of 81761 are 1, 81761. There are 2 integers that are factors of 81761. The greatest factor of 81761 is 81761.
3. What are the Factors of 81767?
Answer: Factors of 81767 are 1, 7, 11681, 81767. There are 4 integers that are factors of 81767. The greatest factor of 81767 is 81767.
4. How to Find the LCM of 81761 and 81767?
Answer:
Least Common Multiple of 81761 and 81767 = 6685351687
Step 1: Find the prime factorization of 81761
81761 = 81761
Step 2: Find the prime factorization of 81767
81767 = 7 x 11681
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6685351687 = 7 x 11681 x 81761
Step 4: Therefore, the least common multiple of 81761 and 81767 is 6685351687.