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What is the LCM 42?

What is the LCM 42?

To find the LCM of 42 and 54 using prime factorization, we will find the prime factors, (42 = 2 × 3 × 7) and (54 = 2 × 3 × 3 × 3). LCM of 42 and 54 is the product of prime factors raised to their respective highest exponent among the numbers 42 and 54. ⇒ LCM of 42, 54 = 21 × 33 × 71 = 378.

What are all the common factors of 16 and 42?

The factors of 16 and 42 are 1, 2, 4, 8, 16 and 1, 2, 3, 6, 7, 14, 21, 42 respectively.

What is the common denominator of 40 and 16?

80
The LCM of 16 and 40 is 80.

What is a common denominator for 16?

The multiples for 16 are 16, 32, 48, 64, 80, etc. The two numbers (12 and 16) share many common multiples if you keep expanding on the lists of multiples. But from comparing the two lists, we can see that 48 is the lowest, or least common muliple.

What is the LCM of 63 42?

The LCM of 42 and 63 is 126.

What is the GCF for 18 and 42?

6
Answer: GCF of 18 and 42 is 6.

What is the GCF of 9 18 and 81?

9
The GCF of 18 and 81 is 9.

What is the HCF of 16 and 6?

2
Answer: HCF of 6 and 16 is 2.

What is the lowest common denominator of 16?

Multiples of 16 are: 16, 32, 48, 64, The lowest (or smallest multiple is 48. There is also another method to find the lcm based on primes factorization.

How to get the least common multiple of 16 and 42?

To get the Least Common Multiple (LCM) of 16 and 42 we need to factor each value first and then we choose all the factors which appear in any column and multiply them: The Least Common Multiple (LCM) is: 2 x 2 x 2 x 2 x 3 x 7 = 336.

When to use the least common denominator calculator?

The least common denominator calculator will help you find the LCD you need before adding, subtracting, or comparing fractions. One way to understand the least common denominator is to list all whole numbers that are multiples of the two denominators. For example, for the fractions 1/3 and 2/5 the denominators are 3 and 5.

Which is the least common denominator of two rational expressions?

These problems can be solved by finding the least common denominator of two or more rational expressions fractions.