Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 760 and 764 the smallest integer that is 145160 that is divisible by both numbers.
Least Common Multiple (LCM) of 760 and 764 is 145160.
LCM(760,764) = 145160
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 760 and 764. First we will calculate the prime factors of 760 and 764.
Prime Factorization of 760
2 | 760 |
2 | 380 |
2 | 190 |
5 | 95 |
19 | 19 |
1 |
Prime factors of 760 are 2, 5,19. Prime factorization of 760 in exponential form is:
760 = 23×51×191
Prime Factorization of 764
2 | 764 |
2 | 382 |
191 | 191 |
1 |
Prime factors of 764 are 2,191. Prime factorization of 764 in exponential form is:
764 = 22×1911
Now multiplying the highest exponent prime factors to calculate the LCM of 760 and 764.
LCM(760,764) = 23×51×191×1911
LCM(760,764) = 145160
Factors of 760
List of positive integer factors of 760 that divides 760 without a remainder.
1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760
Factors of 764
List of positive integer factors of 764 that divides 764 without a remainder.
1, 2, 4, 191, 382, 764
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 760 and 764, than apply into the LCM equation.
GCF(760,764) = 4
LCM(760,764) = ( 760 × 764) / 4
LCM(760,764) = 580640 / 4
LCM(760,764) = 145160
(i) The LCM of 764 and 760 is associative
LCM of 760 and 764 = LCM of 764 and 760
1. What is the LCM of 760 and 764?
Answer: LCM of 760 and 764 is 145160.
2. What are the Factors of 760?
Answer: Factors of 760 are 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760. There are 16 integers that are factors of 760. The greatest factor of 760 is 760.
3. What are the Factors of 764?
Answer: Factors of 764 are 1, 2, 4, 191, 382, 764. There are 6 integers that are factors of 764. The greatest factor of 764 is 764.
4. How to Find the LCM of 760 and 764?
Answer:
Least Common Multiple of 760 and 764 = 145160
Step 1: Find the prime factorization of 760
760 = 2 x 2 x 2 x 5 x 19
Step 2: Find the prime factorization of 764
764 = 2 x 2 x 191
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 145160 = 2 x 2 x 2 x 5 x 19 x 191
Step 4: Therefore, the least common multiple of 760 and 764 is 145160.