How many factors of 42? Among these factors, how many are even? How many are odd? How many are prime? How many are combined?

There are eight factors of 42: 1, 2, 3, 6, 7, 14, 21, 42
Among these factors, there are four even numbers: 2, 6, 14, 42
The odd number has four ones, three, seven, 21
There are three primes: 2, 3, 7
There are four: 6, 14, 21, 42

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