Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 761 and 765 the smallest integer that is 582165 that is divisible by both numbers.
Least Common Multiple (LCM) of 761 and 765 is 582165.
LCM(761,765) = 582165
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 761 and 765. First we will calculate the prime factors of 761 and 765.
Prime Factorization of 761
761 | 761 |
1 |
Prime factors of 761 are 761. Prime factorization of 761 in exponential form is:
761 = 7611
Prime Factorization of 765
3 | 765 |
3 | 255 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 765 are 3, 5,17. Prime factorization of 765 in exponential form is:
765 = 32×51×171
Now multiplying the highest exponent prime factors to calculate the LCM of 761 and 765.
LCM(761,765) = 32×51×171×7611
LCM(761,765) = 582165
Factors of 761
List of positive integer factors of 761 that divides 761 without a remainder.
1, 761
Factors of 765
List of positive integer factors of 765 that divides 765 without a remainder.
1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 761 and 765, than apply into the LCM equation.
GCF(761,765) = 1
LCM(761,765) = ( 761 × 765) / 1
LCM(761,765) = 582165 / 1
LCM(761,765) = 582165
(i) The LCM of 765 and 761 is associative
LCM of 761 and 765 = LCM of 765 and 761
1. What is the LCM of 761 and 765?
Answer: LCM of 761 and 765 is 582165.
2. What are the Factors of 761?
Answer: Factors of 761 are 1, 761. There are 2 integers that are factors of 761. The greatest factor of 761 is 761.
3. What are the Factors of 765?
Answer: Factors of 765 are 1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765. There are 12 integers that are factors of 765. The greatest factor of 765 is 765.
4. How to Find the LCM of 761 and 765?
Answer:
Least Common Multiple of 761 and 765 = 582165
Step 1: Find the prime factorization of 761
761 = 761
Step 2: Find the prime factorization of 765
765 = 3 x 3 x 5 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 582165 = 3 x 3 x 5 x 17 x 761
Step 4: Therefore, the least common multiple of 761 and 765 is 582165.