Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7760 and 7768 the smallest integer that is 7534960 that is divisible by both numbers.
Least Common Multiple (LCM) of 7760 and 7768 is 7534960.
LCM(7760,7768) = 7534960
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 7760 and 7768. First we will calculate the prime factors of 7760 and 7768.
Prime Factorization of 7760
2 | 7760 |
2 | 3880 |
2 | 1940 |
2 | 970 |
5 | 485 |
97 | 97 |
1 |
Prime factors of 7760 are 2, 5,97. Prime factorization of 7760 in exponential form is:
7760 = 24×51×971
Prime Factorization of 7768
2 | 7768 |
2 | 3884 |
2 | 1942 |
971 | 971 |
1 |
Prime factors of 7768 are 2,971. Prime factorization of 7768 in exponential form is:
7768 = 23×9711
Now multiplying the highest exponent prime factors to calculate the LCM of 7760 and 7768.
LCM(7760,7768) = 24×51×971×9711
LCM(7760,7768) = 7534960
Factors of 7760
List of positive integer factors of 7760 that divides 7760 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760
Factors of 7768
List of positive integer factors of 7768 that divides 7768 without a remainder.
1, 2, 4, 8, 971, 1942, 3884, 7768
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7760 and 7768, than apply into the LCM equation.
GCF(7760,7768) = 8
LCM(7760,7768) = ( 7760 × 7768) / 8
LCM(7760,7768) = 60279680 / 8
LCM(7760,7768) = 7534960
(i) The LCM of 7768 and 7760 is associative
LCM of 7760 and 7768 = LCM of 7768 and 7760
1. What is the LCM of 7760 and 7768?
Answer: LCM of 7760 and 7768 is 7534960.
2. What are the Factors of 7760?
Answer: Factors of 7760 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760. There are 20 integers that are factors of 7760. The greatest factor of 7760 is 7760.
3. What are the Factors of 7768?
Answer: Factors of 7768 are 1, 2, 4, 8, 971, 1942, 3884, 7768. There are 8 integers that are factors of 7768. The greatest factor of 7768 is 7768.
4. How to Find the LCM of 7760 and 7768?
Answer:
Least Common Multiple of 7760 and 7768 = 7534960
Step 1: Find the prime factorization of 7760
7760 = 2 x 2 x 2 x 2 x 5 x 97
Step 2: Find the prime factorization of 7768
7768 = 2 x 2 x 2 x 971
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7534960 = 2 x 2 x 2 x 2 x 5 x 97 x 971
Step 4: Therefore, the least common multiple of 7760 and 7768 is 7534960.