Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 60 and 76 the smallest integer that is 1140 that is divisible by both numbers.
Least Common Multiple (LCM) of 60 and 76 is 1140.
LCM(60,76) = 1140
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 60 and 76. First we will calculate the prime factors of 60 and 76.
Prime Factorization of 60
2 | 60 |
2 | 30 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 60 are 2, 3,5. Prime factorization of 60 in exponential form is:
60 = 22×31×51
Prime Factorization of 76
2 | 76 |
2 | 38 |
19 | 19 |
1 |
Prime factors of 76 are 2,19. Prime factorization of 76 in exponential form is:
76 = 22×191
Now multiplying the highest exponent prime factors to calculate the LCM of 60 and 76.
LCM(60,76) = 22×31×51×191
LCM(60,76) = 1140
Factors of 60
List of positive integer factors of 60 that divides 60 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Factors of 76
List of positive integer factors of 76 that divides 76 without a remainder.
1, 2, 4, 19, 38, 76
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 60 and 76, than apply into the LCM equation.
GCF(60,76) = 4
LCM(60,76) = ( 60 × 76) / 4
LCM(60,76) = 4560 / 4
LCM(60,76) = 1140
(i) The LCM of 76 and 60 is associative
LCM of 60 and 76 = LCM of 76 and 60
1. What is the LCM of 60 and 76?
Answer: LCM of 60 and 76 is 1140.
2. What are the Factors of 60?
Answer: Factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60. There are 12 integers that are factors of 60. The greatest factor of 60 is 60.
3. What are the Factors of 76?
Answer: Factors of 76 are 1, 2, 4, 19, 38, 76. There are 6 integers that are factors of 76. The greatest factor of 76 is 76.
4. How to Find the LCM of 60 and 76?
Answer:
Least Common Multiple of 60 and 76 = 1140
Step 1: Find the prime factorization of 60
60 = 2 x 2 x 3 x 5
Step 2: Find the prime factorization of 76
76 = 2 x 2 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1140 = 2 x 2 x 3 x 5 x 19
Step 4: Therefore, the least common multiple of 60 and 76 is 1140.