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What is the common factor of 14 and 21?
42 * * * * * 42 is a common MULTIPLE, not a common factor. The two common factors are 1 and 7.
What is the least common multiple of 14 and 42?
The LCM of 14 and 42 is 42. The simplest method to determine the least common multiple in this case is to notice that 42 is a multiple of 14. Since 42 is a multiple of 14, the least common multiple is 42. To determine the least common multiple of two numbers, you can also determine the prime factors of both numbers. Then, determine the prime factors they have in common. Multiply all their prime factors together (in other words, multiply both numbers together) and divide by the prime factors they have in common (in other words, their greatest common factor). The prime factors of 14 are 2 and 7. The prime factors of 42 are 2, 3, and 7. The greatest common factor of 14 and 42 is 14. So, the least common multiple of 14 and 42 is (2x7) x (2x3x7) ÷ 14 = 42.
What is the least common multiples of 6 and 7?
The LCM of 6 and 7 is 42, which is the multiple of the highest power of prime factors in the given numbers (2 x 3 x 7). The two numbers have no common prime divisors, so their product is the LCM.42
What is the least common multiple of 21 and 42?
The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.The least common multiple of 21 and 42 is 42.The least common multiple of the numbers 42 and 21 is 42.
What is the least common multiple of 3 7 and 6?
It is not possible to give a sensible answer to this question. The least common multiple (LCM) refers to a multiple that is COMMON to two or more numbers. You have only one number in the question!
The least common multiple of 18 and 42?
First, find the greatest common factor (GCF). 18 factors to [2 3 3] 42 factors to [2 3 7] Common factors [2 3] GCF = 6 Now, multiply them together and divide by the GCF to get the LCM. 18 * 42 / 6 = 126 ■
What is a common multiple of 30 and 42?
A common multiple of any two numbers, such as 30 and 42, is a number into which each of two or more number can be divided with zero remainder. Any multiple of 210.
What is the lowest common multiple of 42?
To find the lowest common multiple you must have at least two numbers.
what is the lowest common multiple of 72 and 42?
The Least Common Multiple of two numbers is equal to their product divided by their greatest common factor.The greatest common factor of 72 and 42 is 6, so their Least Common Multiple is 72 * 42 / 6 = 504.
What are all of the common factors of 28 and 42 and witch two numbers are common?
1, 2, 7 and 14 are the common factors of 28 and 42. Since all of the numbers are common factors, we will not be able to select two.
What is the lowest common multiple of 6 and 42?
lowest common multiple of 6 and 42 = 42
What are two composite number that has 42 as common multiple how is the prime factor of 42 related to these two numbers?
21 and 6 are two composite numbers that have 42 as a common multiple. One of the prime factors of 42, which is 3, is a prime factor of 21 and 6 as well. The prime factorization of 42 (2 x 3 x 7) includes the prime factorization of 21 (3 x 7) and 6 (2 x 3).
