Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 772 and 776 the smallest integer that is 149768 that is divisible by both numbers.
Least Common Multiple (LCM) of 772 and 776 is 149768.
LCM(772,776) = 149768
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 772 and 776. First we will calculate the prime factors of 772 and 776.
Prime Factorization of 772
2 | 772 |
2 | 386 |
193 | 193 |
1 |
Prime factors of 772 are 2,193. Prime factorization of 772 in exponential form is:
772 = 22×1931
Prime Factorization of 776
2 | 776 |
2 | 388 |
2 | 194 |
97 | 97 |
1 |
Prime factors of 776 are 2,97. Prime factorization of 776 in exponential form is:
776 = 23×971
Now multiplying the highest exponent prime factors to calculate the LCM of 772 and 776.
LCM(772,776) = 23×971×1931
LCM(772,776) = 149768
Factors of 772
List of positive integer factors of 772 that divides 772 without a remainder.
1, 2, 4, 193, 386, 772
Factors of 776
List of positive integer factors of 776 that divides 776 without a remainder.
1, 2, 4, 8, 97, 194, 388, 776
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 772 and 776, than apply into the LCM equation.
GCF(772,776) = 4
LCM(772,776) = ( 772 × 776) / 4
LCM(772,776) = 599072 / 4
LCM(772,776) = 149768
(i) The LCM of 776 and 772 is associative
LCM of 772 and 776 = LCM of 776 and 772
1. What is the LCM of 772 and 776?
Answer: LCM of 772 and 776 is 149768.
2. What are the Factors of 772?
Answer: Factors of 772 are 1, 2, 4, 193, 386, 772. There are 6 integers that are factors of 772. The greatest factor of 772 is 772.
3. What are the Factors of 776?
Answer: Factors of 776 are 1, 2, 4, 8, 97, 194, 388, 776. There are 8 integers that are factors of 776. The greatest factor of 776 is 776.
4. How to Find the LCM of 772 and 776?
Answer:
Least Common Multiple of 772 and 776 = 149768
Step 1: Find the prime factorization of 772
772 = 2 x 2 x 193
Step 2: Find the prime factorization of 776
776 = 2 x 2 x 2 x 97
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 149768 = 2 x 2 x 2 x 97 x 193
Step 4: Therefore, the least common multiple of 772 and 776 is 149768.