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21 isn't prime. The prime factorization of 42 is 2 x 3 x 7.

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โˆ™ 2012-06-18 06:59:52
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Q: Is 21x 2 the only prime factorization of 42?
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Is the prime factorization of 42 21x 2 if not why?

No because as a product of its prime factors: 2*3*7 = 42


Is 21x2 a prime factorization of 42?

No because its prime factorization is: 2*3*7 = 42


Is the prime factorization of 42 is 21 x 2?

No. Prime factorization is the method of expressing a number as the product of prime numbers. So, Prime factorization of 42 = 2x3x7


Is 87 prime factorization of 42?

No.


Are the prime factorization of 42 21x2?

No, 21 is not prime.


Can you explain why the prime factorization of 42 is 21 2?

In actual fact, the prime factorization of 42 is not 21 x 2, as 21 is not a prime number. The complete prime factorization of 42 is 2 x 3 x 7.


How do you do the prime factorization of 42?

You find the prime factorization of 42 like this. You think what 2 number multiplied together give you 42: 6x7 7 is prime because the only factors it has is 1 and itself. 6 can be broken into 3x2. So you currently have 7x3x2. All these numbers are prime so you just found the prime factorization!


What is the prime factorization of the composite number 42?

42=2x21 21=3x7 PF=2x3x7 The PF (Prime Factorization) of 42 is 2x3x7.(Sorry, I couldn't do a factor tree, there are always helpful to use when doing prime factorization, but since this is the computer, I could only do it like the following above.)


What is the prime factorization of 42.?

It is: 2*3*7 = 42


What are the prime factorization's of 42?

42 = 2*3*7


The prime factorization of 42?

It is: 2*3*7 = 42


What is the prime factorization of 42 using exponents?

The prime factorization of 42 does not use exponents: 2 x 3 x 7


Is 42 equals 212 a prime factorization?

No.


What prime factorization is for 2 x3x7?

42


What is the prime factorization of -42?

-42 = -1*2*3*7


Is a prime factorization of 42 is it 21x2?

42 = 2 × 3 × 7


What is the greatest common factor of 42 and 81?

The GCF of 42 and 81 is 3.The prime factorization of 42 is 2*3*7The prime factorization of 81 is 3*3*3*3Their only and greatest common factor is 3.


What is the prime factorization for -42?

Negative numbers don't have prime factorizations.


What is a prime factorization of -42?

Negative numbers don't have prime factorizations.


What are the factors of 14 and 42?

The prime factorization of 14 = 2 x 7, and the prime factorization of 42 = 2 x 3 x 7


What is the LCM of 42 126 using prime factorization?

the LCM of 42 and 126 using a prime factorization is 2 times 2 times 3


Prime factorization of 42?

2, 3 and 7


What is Prime Factorization for 42?

2, 3 and 7


How many ribs does a possible for the of the prime factorization of 42?

The prime factorisation of 42 is 2*3*7.


What 2 prime factorization numbers equal to 42?

They are: 37+5 = 42