Least common multiple (LCM) of 28 and 42 is 84.
What is the LCM of 14 28 and 42?
LCM of 14 and 42 is the smallest number among all common multiples of 14 and 42. The first few multiples of 14 and 42 are (14, 28, 42, 56, 70, 84, . . . ) and (42, 84, 126, 168, 210, . . . ) respectively….LCM of 14 and 42.
| 1. | LCM of 14 and 42 |
|---|---|
| 2. | List of Methods |
| 3. | Solved Examples |
| 4. | FAQs |
What is the LCM of 28 56 and 42?
The least common multiple 168 is a product of common & odd prime factors between the integers which is divisible by each one an integer of this same group. The step by step work for LCM of 28, 42 and 56 may useful to understand how to find LCM for two or three numbers.
How to find the LCM of 28 and 42?
Steps to find LCM Find the prime factorization of 28. 28 = 2 × 2 × 7 Find the prime factorization of 42. 42 = 2 × 3 × 7 Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm: LCM = 2 × 2 × 3 × 7 LCM = 84
What is the lowest common multiple of 28 and 42?
Least common multiple (LCM) of 28 and 42 is 84. LCM(28,42) = 84. Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
How is the LCM of a given number determined?
Prime Factorization Method. A more systematic way to find the LCM of some given integers is to use prime factorization. Prime factorization involves breaking down each of the numbers being compared into its product of prime numbers. The LCM is then determined by multiplying the highest power of each prime number together.
What are the prime factors of 28 and 42?
First we will calculate the prime factors of 28 and 42. Prime factors of 28 are 2, 7. Prime factorization of 28 in exponential form is: Prime factors of 42 are 2, 3, 7. Prime factorization of 42 in exponential form is: Now multiplying the highest exponent prime factors to calculate the LCM of 28 and 42.
