Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 773 and 780 the smallest integer that is 602940 that is divisible by both numbers.
Least Common Multiple (LCM) of 773 and 780 is 602940.
LCM(773,780) = 602940
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 773 and 780. First we will calculate the prime factors of 773 and 780.
Prime Factorization of 773
773 | 773 |
1 |
Prime factors of 773 are 773. Prime factorization of 773 in exponential form is:
773 = 7731
Prime Factorization of 780
2 | 780 |
2 | 390 |
3 | 195 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 780 are 2, 3, 5,13. Prime factorization of 780 in exponential form is:
780 = 22×31×51×131
Now multiplying the highest exponent prime factors to calculate the LCM of 773 and 780.
LCM(773,780) = 22×31×51×131×7731
LCM(773,780) = 602940
Factors of 773
List of positive integer factors of 773 that divides 773 without a remainder.
1, 773
Factors of 780
List of positive integer factors of 780 that divides 780 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 773 and 780, than apply into the LCM equation.
GCF(773,780) = 1
LCM(773,780) = ( 773 × 780) / 1
LCM(773,780) = 602940 / 1
LCM(773,780) = 602940
(i) The LCM of 780 and 773 is associative
LCM of 773 and 780 = LCM of 780 and 773
1. What is the LCM of 773 and 780?
Answer: LCM of 773 and 780 is 602940.
2. What are the Factors of 773?
Answer: Factors of 773 are 1, 773. There are 2 integers that are factors of 773. The greatest factor of 773 is 773.
3. What are the Factors of 780?
Answer: Factors of 780 are 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780. There are 24 integers that are factors of 780. The greatest factor of 780 is 780.
4. How to Find the LCM of 773 and 780?
Answer:
Least Common Multiple of 773 and 780 = 602940
Step 1: Find the prime factorization of 773
773 = 773
Step 2: Find the prime factorization of 780
780 = 2 x 2 x 3 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 602940 = 2 x 2 x 3 x 5 x 13 x 773
Step 4: Therefore, the least common multiple of 773 and 780 is 602940.