Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7768 and 7772 the smallest integer that is 15093224 that is divisible by both numbers.
Least Common Multiple (LCM) of 7768 and 7772 is 15093224.
LCM(7768,7772) = 15093224
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 7768 and 7772. First we will calculate the prime factors of 7768 and 7772.
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
Prime Factorization of 7772
2 | 7772 |
2 | 3886 |
29 | 1943 |
67 | 67 |
1 |
Prime factors of 7772 are 2, 29,67. Prime factorization of 7772 in exponential form is:
7772 = 22×291×671
Now multiplying the highest exponent prime factors to calculate the LCM of 7768 and 7772.
LCM(7768,7772) = 23×291×671×9711
LCM(7768,7772) = 15093224
Factors of 7768
List of positive integer factors of 7768 that divides 7768 without a remainder.
1, 2, 4, 8, 971, 1942, 3884, 7768
Factors of 7772
List of positive integer factors of 7772 that divides 7772 without a remainder.
1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 3886, 7772
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7768 and 7772, than apply into the LCM equation.
GCF(7768,7772) = 4
LCM(7768,7772) = ( 7768 × 7772) / 4
LCM(7768,7772) = 60372896 / 4
LCM(7768,7772) = 15093224
(i) The LCM of 7772 and 7768 is associative
LCM of 7768 and 7772 = LCM of 7772 and 7768
1. What is the LCM of 7768 and 7772?
Answer: LCM of 7768 and 7772 is 15093224.
2. 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.
3. What are the Factors of 7772?
Answer: Factors of 7772 are 1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 3886, 7772. There are 12 integers that are factors of 7772. The greatest factor of 7772 is 7772.
4. How to Find the LCM of 7768 and 7772?
Answer:
Least Common Multiple of 7768 and 7772 = 15093224
Step 1: Find the prime factorization of 7768
7768 = 2 x 2 x 2 x 971
Step 2: Find the prime factorization of 7772
7772 = 2 x 2 x 29 x 67
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15093224 = 2 x 2 x 2 x 29 x 67 x 971
Step 4: Therefore, the least common multiple of 7768 and 7772 is 15093224.