Q: Write 405 as a composite number as a product of prime numbers?

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To write a composite number as a product of two prime numbers, write it as an answered multiplication question like 2 x 17 = 34 or 3 x 3 x 7 = 63.

As a product of its prime factors in exponents: 22*3*52 = 300

It is called the prime factorisation (or prime decomposition) of the composite number.

42 and 84

36 = 2 x 18, or 3 x 12

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To write a composite number as a product of two prime numbers, write it as an answered multiplication question like 2 x 17 = 34 or 3 x 3 x 7 = 63.

As a product of its prime factors in exponents: 22*3*52 = 300

I'm not sure what you mean. But the factorization of a composite number into prime factors is unique, up to the ordering of the primes.

It is called the prime factorisation (or prime decomposition) of the composite number.

9 is the smallest natural number that is odd and composite: 9=3*3. 15 is the smallest natural number that is odd and a product of two numbers different from one and from each other: 15=3*5.

A number as a product of prime numbers would be "x".

42 and 84

True(Prime factorization is to write a composite number as a product of its prime factors).

To write a composite whole number as the product of its prime factors is to write its prime factorization.

The product of two numbers is the resulting number when they are multiplied together. As there is an infinite amount of numbers it would be impossible to write out the result of the product of all pairs of numbers

2/5 are prime, 8/15 are composite (and 1/15 is neither).

36 = 2 x 18, or 3 x 12