Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7124 and 7126 the smallest integer that is 25382812 that is divisible by both numbers.
Least Common Multiple (LCM) of 7124 and 7126 is 25382812.
LCM(7124,7126) = 25382812
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 7124 and 7126. First we will calculate the prime factors of 7124 and 7126.
Prime Factorization of 7124
2 | 7124 |
2 | 3562 |
13 | 1781 |
137 | 137 |
1 |
Prime factors of 7124 are 2, 13,137. Prime factorization of 7124 in exponential form is:
7124 = 22×131×1371
Prime Factorization of 7126
2 | 7126 |
7 | 3563 |
509 | 509 |
1 |
Prime factors of 7126 are 2, 7,509. Prime factorization of 7126 in exponential form is:
7126 = 21×71×5091
Now multiplying the highest exponent prime factors to calculate the LCM of 7124 and 7126.
LCM(7124,7126) = 22×71×131×1371×5091
LCM(7124,7126) = 25382812
Factors of 7124
List of positive integer factors of 7124 that divides 7124 without a remainder.
1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124
Factors of 7126
List of positive integer factors of 7126 that divides 7126 without a remainder.
1, 2, 7, 14, 509, 1018, 3563, 7126
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7124 and 7126, than apply into the LCM equation.
GCF(7124,7126) = 2
LCM(7124,7126) = ( 7124 × 7126) / 2
LCM(7124,7126) = 50765624 / 2
LCM(7124,7126) = 25382812
(i) The LCM of 7126 and 7124 is associative
LCM of 7124 and 7126 = LCM of 7126 and 7124
1. What is the LCM of 7124 and 7126?
Answer: LCM of 7124 and 7126 is 25382812.
2. What are the Factors of 7124?
Answer: Factors of 7124 are 1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124. There are 12 integers that are factors of 7124. The greatest factor of 7124 is 7124.
3. What are the Factors of 7126?
Answer: Factors of 7126 are 1, 2, 7, 14, 509, 1018, 3563, 7126. There are 8 integers that are factors of 7126. The greatest factor of 7126 is 7126.
4. How to Find the LCM of 7124 and 7126?
Answer:
Least Common Multiple of 7124 and 7126 = 25382812
Step 1: Find the prime factorization of 7124
7124 = 2 x 2 x 13 x 137
Step 2: Find the prime factorization of 7126
7126 = 2 x 7 x 509
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 25382812 = 2 x 2 x 7 x 13 x 137 x 509
Step 4: Therefore, the least common multiple of 7124 and 7126 is 25382812.