Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 762 and 770 the smallest integer that is 293370 that is divisible by both numbers.
Least Common Multiple (LCM) of 762 and 770 is 293370.
LCM(762,770) = 293370
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 762 and 770. First we will calculate the prime factors of 762 and 770.
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
Prime Factorization of 770
2 | 770 |
5 | 385 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 770 are 2, 5, 7,11. Prime factorization of 770 in exponential form is:
770 = 21×51×71×111
Now multiplying the highest exponent prime factors to calculate the LCM of 762 and 770.
LCM(762,770) = 21×31×51×71×111×1271
LCM(762,770) = 293370
Factors of 762
List of positive integer factors of 762 that divides 762 without a remainder.
1, 2, 3, 6, 127, 254, 381, 762
Factors of 770
List of positive integer factors of 770 that divides 770 without a remainder.
1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 762 and 770, than apply into the LCM equation.
GCF(762,770) = 2
LCM(762,770) = ( 762 × 770) / 2
LCM(762,770) = 586740 / 2
LCM(762,770) = 293370
(i) The LCM of 770 and 762 is associative
LCM of 762 and 770 = LCM of 770 and 762
1. What is the LCM of 762 and 770?
Answer: LCM of 762 and 770 is 293370.
2. 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.
3. What are the Factors of 770?
Answer: Factors of 770 are 1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770. There are 16 integers that are factors of 770. The greatest factor of 770 is 770.
4. How to Find the LCM of 762 and 770?
Answer:
Least Common Multiple of 762 and 770 = 293370
Step 1: Find the prime factorization of 762
762 = 2 x 3 x 127
Step 2: Find the prime factorization of 770
770 = 2 x 5 x 7 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 293370 = 2 x 3 x 5 x 7 x 11 x 127
Step 4: Therefore, the least common multiple of 762 and 770 is 293370.