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Subjects>Math>Basic Math

What are the numbers that have exactly 3 factors?

Updated: 5/6/2023

Wiki User

∙ 14y ago

Best Answer

The squares of prime numbers have exactly three factors.

4 has 1, 2, and 4.

9 has 1, 3, and 9.

25 has 1, 5, and 25.

49 has 1, 7, and 49.

121 has 1, 11, and 121.

169 has 1, 13, and 169.

Wiki User

∙ 14y ago

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mehreen siraj ∙

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∙ 11mo ago

1

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Anonymous ∙

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∙ 3y ago

121, 25, 4, 9, 49

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Anonymous ∙

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∙ 3y ago

what 2-digit number that has only 3 factors and is less than 30 which one is the number?

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Anonymous ∙

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∙ 3y ago

78

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Anonymous ∙

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∙ 3y ago

3

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Anonymous ∙

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∙ 3y ago

8

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Anonymous ∙

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∙ 3y ago

15

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Anonymous ∙

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∙ 3y ago

54

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Continue Learning about Basic Math

Numbers with exactly 3 factors?

Squares of prime numbers have exactly three factors.

What are all the numbers less than 100 with exactly 3 factors that are prime?

By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.

Numbers that have exactly 3 factors?

Prime squares

What numbers with exactly 3 factors are?

A number has exactly three factors if and only if it is the square of a prime number.

Which numbers have exactly two factors?

Prime numbers have exactly two factors.All prime numbers have only 2 factors whereas composite numbers have more than 2 factors

Related questions

What numbers have exactly 3 factors?

All numbers that are the square of primes have exactly 3 factors.

Numbers with exactly 3 factors?

Squares of prime numbers have exactly three factors.

What do say for numbers which have exactly 3 factors?

Numbers with exactly three factors are squares of prime numbers.

Numbers with 3 factors?

The squares of all prime numbers above 2 have exactly 3 factors.

What are all the numbers less than 100 with exactly 3 factors that are prime?

By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.

Numbers that have exactly 3 factors?

Prime squares

What numbers with exactly 3 factors are?

A number has exactly three factors if and only if it is the square of a prime number.

What are two numbers that have exactly two factors?

2 and 3

Write 3 numbers that have exactly 2 factors?

3, 5 and 7

Is 3 a prime or composite number why?

Prime numbers have exactly two factors. 3 has exactly two factors: 1 and 3. So 3 is prime. Composite numbers have more than two factors. 4 is composite because it has three factors: 1, 2, and 4.

What are two different numbers that have exactly 3 factors?

4 and 9

3 numbers below 30 that have exactly 3 factors?

Prime squares have three factors. 4, 9, 25

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