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 781 the smallest integer that is 603713 that is divisible by both numbers.
Least Common Multiple (LCM) of 773 and 781 is 603713.
LCM(773,781) = 603713
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 781. First we will calculate the prime factors of 773 and 781.
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 781
11 | 781 |
71 | 71 |
1 |
Prime factors of 781 are 11,71. Prime factorization of 781 in exponential form is:
781 = 111×711
Now multiplying the highest exponent prime factors to calculate the LCM of 773 and 781.
LCM(773,781) = 111×711×7731
LCM(773,781) = 603713
Factors of 773
List of positive integer factors of 773 that divides 773 without a remainder.
1, 773
Factors of 781
List of positive integer factors of 781 that divides 781 without a remainder.
1, 11, 71, 781
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 773 and 781, than apply into the LCM equation.
GCF(773,781) = 1
LCM(773,781) = ( 773 × 781) / 1
LCM(773,781) = 603713 / 1
LCM(773,781) = 603713
(i) The LCM of 781 and 773 is associative
LCM of 773 and 781 = LCM of 781 and 773
1. What is the LCM of 773 and 781?
Answer: LCM of 773 and 781 is 603713.
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 781?
Answer: Factors of 781 are 1, 11, 71, 781. There are 4 integers that are factors of 781. The greatest factor of 781 is 781.
4. How to Find the LCM of 773 and 781?
Answer:
Least Common Multiple of 773 and 781 = 603713
Step 1: Find the prime factorization of 773
773 = 773
Step 2: Find the prime factorization of 781
781 = 11 x 71
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 603713 = 11 x 71 x 773
Step 4: Therefore, the least common multiple of 773 and 781 is 603713.