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 768 the smallest integer that is 584448 that is divisible by both numbers.
Least Common Multiple (LCM) of 761 and 768 is 584448.
LCM(761,768) = 584448
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 768. First we will calculate the prime factors of 761 and 768.
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 768
2 | 768 |
2 | 384 |
2 | 192 |
2 | 96 |
2 | 48 |
2 | 24 |
2 | 12 |
2 | 6 |
3 | 3 |
1 |
Prime factors of 768 are 2,3. Prime factorization of 768 in exponential form is:
768 = 28×31
Now multiplying the highest exponent prime factors to calculate the LCM of 761 and 768.
LCM(761,768) = 28×31×7611
LCM(761,768) = 584448
Factors of 761
List of positive integer factors of 761 that divides 761 without a remainder.
1, 761
Factors of 768
List of positive integer factors of 768 that divides 768 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 761 and 768, than apply into the LCM equation.
GCF(761,768) = 1
LCM(761,768) = ( 761 × 768) / 1
LCM(761,768) = 584448 / 1
LCM(761,768) = 584448
(i) The LCM of 768 and 761 is associative
LCM of 761 and 768 = LCM of 768 and 761
1. What is the LCM of 761 and 768?
Answer: LCM of 761 and 768 is 584448.
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 768?
Answer: Factors of 768 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768. There are 18 integers that are factors of 768. The greatest factor of 768 is 768.
4. How to Find the LCM of 761 and 768?
Answer:
Least Common Multiple of 761 and 768 = 584448
Step 1: Find the prime factorization of 761
761 = 761
Step 2: Find the prime factorization of 768
768 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 584448 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 761
Step 4: Therefore, the least common multiple of 761 and 768 is 584448.