Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 756 and 762 the smallest integer that is 96012 that is divisible by both numbers.
Least Common Multiple (LCM) of 756 and 762 is 96012.
LCM(756,762) = 96012
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 756 and 762. First we will calculate the prime factors of 756 and 762.
Prime Factorization of 756
2 | 756 |
2 | 378 |
3 | 189 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 756 are 2, 3,7. Prime factorization of 756 in exponential form is:
756 = 22×33×71
Prime Factorization of 762
2 | 762 |
3 | 381 |
127 | 127 |
1 |
Prime factors of 762 are 2, 3,127. Prime factorization of 762 in exponential form is:
762 = 21×31×1271
Now multiplying the highest exponent prime factors to calculate the LCM of 756 and 762.
LCM(756,762) = 22×33×71×1271
LCM(756,762) = 96012
Factors of 756
List of positive integer factors of 756 that divides 756 without a remainder.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756
Factors of 762
List of positive integer factors of 762 that divides 762 without a remainder.
1, 2, 3, 6, 127, 254, 381, 762
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 756 and 762, than apply into the LCM equation.
GCF(756,762) = 6
LCM(756,762) = ( 756 × 762) / 6
LCM(756,762) = 576072 / 6
LCM(756,762) = 96012
(i) The LCM of 762 and 756 is associative
LCM of 756 and 762 = LCM of 762 and 756
1. What is the LCM of 756 and 762?
Answer: LCM of 756 and 762 is 96012.
2. What are the Factors of 756?
Answer: Factors of 756 are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756. There are 24 integers that are factors of 756. The greatest factor of 756 is 756.
3. What are the Factors of 762?
Answer: Factors of 762 are 1, 2, 3, 6, 127, 254, 381, 762. There are 8 integers that are factors of 762. The greatest factor of 762 is 762.
4. How to Find the LCM of 756 and 762?
Answer:
Least Common Multiple of 756 and 762 = 96012
Step 1: Find the prime factorization of 756
756 = 2 x 2 x 3 x 3 x 3 x 7
Step 2: Find the prime factorization of 762
762 = 2 x 3 x 127
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 96012 = 2 x 2 x 3 x 3 x 3 x 7 x 127
Step 4: Therefore, the least common multiple of 756 and 762 is 96012.