Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 763 and 770 the smallest integer that is 83930 that is divisible by both numbers.
Least Common Multiple (LCM) of 763 and 770 is 83930.
LCM(763,770) = 83930
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 763 and 770. First we will calculate the prime factors of 763 and 770.
Prime Factorization of 763
7 | 763 |
109 | 109 |
1 |
Prime factors of 763 are 7,109. Prime factorization of 763 in exponential form is:
763 = 71×1091
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 763 and 770.
LCM(763,770) = 21×51×71×111×1091
LCM(763,770) = 83930
Factors of 763
List of positive integer factors of 763 that divides 763 without a remainder.
1, 7, 109, 763
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 763 and 770, than apply into the LCM equation.
GCF(763,770) = 7
LCM(763,770) = ( 763 × 770) / 7
LCM(763,770) = 587510 / 7
LCM(763,770) = 83930
(i) The LCM of 770 and 763 is associative
LCM of 763 and 770 = LCM of 770 and 763
1. What is the LCM of 763 and 770?
Answer: LCM of 763 and 770 is 83930.
2. What are the Factors of 763?
Answer: Factors of 763 are 1, 7, 109, 763. There are 4 integers that are factors of 763. The greatest factor of 763 is 763.
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 763 and 770?
Answer:
Least Common Multiple of 763 and 770 = 83930
Step 1: Find the prime factorization of 763
763 = 7 x 109
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 = 83930 = 2 x 5 x 7 x 11 x 109
Step 4: Therefore, the least common multiple of 763 and 770 is 83930.