Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 650 and 651 the smallest integer that is 423150 that is divisible by both numbers.
Least Common Multiple (LCM) of 650 and 651 is 423150.
LCM(650,651) = 423150
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 650 and 651. First we will calculate the prime factors of 650 and 651.
Prime Factorization of 650
2 | 650 |
5 | 325 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 650 are 2, 5,13. Prime factorization of 650 in exponential form is:
650 = 21×52×131
Prime Factorization of 651
3 | 651 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 651 are 3, 7,31. Prime factorization of 651 in exponential form is:
651 = 31×71×311
Now multiplying the highest exponent prime factors to calculate the LCM of 650 and 651.
LCM(650,651) = 21×31×52×71×131×311
LCM(650,651) = 423150
Factors of 650
List of positive integer factors of 650 that divides 650 without a remainder.
1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650
Factors of 651
List of positive integer factors of 651 that divides 651 without a remainder.
1, 3, 7, 21, 31, 93, 217, 651
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 650 and 651, than apply into the LCM equation.
GCF(650,651) = 1
LCM(650,651) = ( 650 × 651) / 1
LCM(650,651) = 423150 / 1
LCM(650,651) = 423150
(i) The LCM of 651 and 650 is associative
LCM of 650 and 651 = LCM of 651 and 650
1. What is the LCM of 650 and 651?
Answer: LCM of 650 and 651 is 423150.
2. What are the Factors of 650?
Answer: Factors of 650 are 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650. There are 12 integers that are factors of 650. The greatest factor of 650 is 650.
3. What are the Factors of 651?
Answer: Factors of 651 are 1, 3, 7, 21, 31, 93, 217, 651. There are 8 integers that are factors of 651. The greatest factor of 651 is 651.
4. How to Find the LCM of 650 and 651?
Answer:
Least Common Multiple of 650 and 651 = 423150
Step 1: Find the prime factorization of 650
650 = 2 x 5 x 5 x 13
Step 2: Find the prime factorization of 651
651 = 3 x 7 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 423150 = 2 x 3 x 5 x 5 x 7 x 13 x 31
Step 4: Therefore, the least common multiple of 650 and 651 is 423150.