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Here are some counting numbers that have two different factors:
2 has 1 and 2
3 has 1 and 3
5 has 1 and 5
7 has 1 and 7
11 has 1 and 11
13 has 1 and 13
17 has 1 and 17
19 has 1 and 19
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∙ 14y ago
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Can a composite number have exactly two factors?
No, every number has at a minimum two factors, which are itself and 1. If these are the only two factors, then the number is prime. If it has more factors, then the number is composite.
What numbers are closed under multiplication?
Yes: Multiplying any two counting numbers will produce a counting number.
What is it called when a number only has two factors?
A number that has only two factors is called a prime. The only factors of a prime are 1 and the number itself.
Is 59 prime or a composite number?
A prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. 59 does not have any factors besides 1 and itself (not more than two factors), so it is a prime number.
What is a number with two or more pairs of factors?
a prime number means it has only two factors 1 and itself. a composite number has more than two factors for example 3 is a prime number because its factors are 1 and itself. 4 is a composite number because it has more than two factors 1,4,2 6,9,10,12,4,8,and 20
Is a counting number with exactly two different factors?
That's a prime number.
How can you determine whether a counting number is a composite numbers?
If it has more than two factors.
How do you decide if a counting number is a composite number?
A prime number has exactly two factors, 1 and the number itself. Any number having more factors than a prime is a composite number.
How is a prime number different from the factors?
A prime number has only two factors, one and the number itself. A composite number has more than two factors. Factors can be either prime or composite.
How is a composite number different from a prime number?
A composite number has more than two factors whereas a prime number has only two factors
How many different factors does the number 23 have?
Two of them.
What is a whole number that has exactly two different factors?
a prime number
How is a prime number different from a conposite number?
A prime number has exactly two factors, 1 and itself. A composite number has more than two factors.
How many different factors does the number 83 have?
Only two of them, because it's a prime number. The two factors are 1 and 83.
How is a prime number different from a composite?
A prime number has only two factors which are itself and one but a composite number has more than two factors
What is the product of two counting numbers?
Another counting number.
What is a number which has only two different factors itself and 1?
a prime number
