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The product of three prime numbers is 42 the sum of these numbers is?
12
What does it mean to express a composite number as a product of prime numbers?
It means to separate the number into (integer) factors; for each factor continue looking for factors; until no further division into factors is possible, i.e., until all factors are prime numbers.For example, 12 = 2 x 6 = 2 x 2 x 3. Since 2 and 3 are prime numbers, this is the solution of the problem of expressing as a product of prime numbers.
What is the HCF of 9and 12?
First, write both numbers as the product of their prime factors: 9 = 3x3 12 = 2x2x3 The next step is to identify any common prime factors. In this case, both numbers have 3 as a prime factor. Therefore, the HCF of 9 and 12 is 3.
What numbers is a prime number 8-12-17?
17 is a prime number. 8 and 12 are not prime numbers.
Prime numbers not a factor of 12?
2 and 3 are prime numbers that are factors of 12. There is an infinite list of prime numbers that aren't.
