Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 749 and 757 the smallest integer that is 566993 that is divisible by both numbers.
Least Common Multiple (LCM) of 749 and 757 is 566993.
LCM(749,757) = 566993
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 749 and 757. First we will calculate the prime factors of 749 and 757.
Prime Factorization of 749
7 | 749 |
107 | 107 |
1 |
Prime factors of 749 are 7,107. Prime factorization of 749 in exponential form is:
749 = 71×1071
Prime Factorization of 757
757 | 757 |
1 |
Prime factors of 757 are 757. Prime factorization of 757 in exponential form is:
757 = 7571
Now multiplying the highest exponent prime factors to calculate the LCM of 749 and 757.
LCM(749,757) = 71×1071×7571
LCM(749,757) = 566993
Factors of 749
List of positive integer factors of 749 that divides 749 without a remainder.
1, 7, 107, 749
Factors of 757
List of positive integer factors of 757 that divides 757 without a remainder.
1, 757
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 749 and 757, than apply into the LCM equation.
GCF(749,757) = 1
LCM(749,757) = ( 749 × 757) / 1
LCM(749,757) = 566993 / 1
LCM(749,757) = 566993
(i) The LCM of 757 and 749 is associative
LCM of 749 and 757 = LCM of 757 and 749
1. What is the LCM of 749 and 757?
Answer: LCM of 749 and 757 is 566993.
2. What are the Factors of 749?
Answer: Factors of 749 are 1, 7, 107, 749. There are 4 integers that are factors of 749. The greatest factor of 749 is 749.
3. What are the Factors of 757?
Answer: Factors of 757 are 1, 757. There are 2 integers that are factors of 757. The greatest factor of 757 is 757.
4. How to Find the LCM of 749 and 757?
Answer:
Least Common Multiple of 749 and 757 = 566993
Step 1: Find the prime factorization of 749
749 = 7 x 107
Step 2: Find the prime factorization of 757
757 = 757
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 566993 = 7 x 107 x 757
Step 4: Therefore, the least common multiple of 749 and 757 is 566993.