2 times 3 times 5
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As a product of its prime factors: 2*3*5 = 30
8 is not a prime factor of 30. The prime factorization of 30 is 2x3x5.
the answer is 6040 I don't know I just put 2x 3 x 5 x 168 = ...
A factor of a composite number need not be a prime number, some factors are themselves composite. Prime factorisation is continuing to factorise each factor unless it is a prime. For example, start with 30. 6 goes into 30 so finding a factor is satisfied by simply identifying 6 as a factor of 30. Now 30 = 5*6 where 5 is a prime, but 6 is not so we need to factorise 6. 6 = 2*3 and therefore, 30 = 5*2*3 = 2*3*5 The last is the prime factorisation of 30.
I think that these are the factors of 30: 1,2,3,5,6,10,15,30 The prime numbers that are also factors are: 2,3,5