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Q: What number is smaller than 19 that has more factors than 28?

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12 is one such number.

12 and 18

12

Any number that has factors smaller than itself (other than 1) is a composite number.Any number that has factors smaller than itself (other than 1) is a composite number.Any number that has factors smaller than itself (other than 1) is a composite number.Any number that has factors smaller than itself (other than 1) is a composite number.

12

Generally yes, but not in all cases. The largest prime number has over 22 million digits but only two factors whereas 60 has six times as many factors.

A number with more than two factors is composite

If a number has more than two factors then it is a composite number

There are three equivalent definitions for an abundant number.A number is abundant if:the sum of all its factors (including itself) is more than double the number;the sum of all factors of the number which are smaller than the number, must be more than the number;the sum of all proper factors of the number must be at least as large as the number.

A number with more than two factors is a composite number. A number with exactly two factors is a prime number.

Because it has factors smaller than itself.

A composite number is an integer (usually a positive integer) that can be expressed as the product of smaller integers (other than 1). In other words, a composite number is NOT a prime number, but it has smaller prime numbers as factors.

A number that has only two factors is prime. A number that has more than two factors is composite.

Yes.

A composite number has more than two factors.

A whole number with more than 2 factors is a composite number.

If it has more than two factors then it is a composite number

Every number greater than 1 has 1 and the number itself as factors. If it has no other factors besides these two factors, it is a prime number. If it has more factors than 1 and itself, it is a composite number.

Usually, but not necessarily and not if they're prime. All prime numbers have the same number of factors.

No. 168 is not a factor of 63. Factors of a number are smaller than the number.

105

17

12 and 18

There are a few numbers that are less than 19 and have more than 4 factors. The number 10 is less than 19 and has more than four factors.

For example, if you multiply 360 by any whole number > 1, you will get a number with more factors than 360.