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The prime numbers:

2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97

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8y ago
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9y ago

2, 4, 8, 16, 32, 64, 128, 256, 512

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8y ago

All prime numbers have only two factors.

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9y ago

25 of them.

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Anonymous

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3y ago

25

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Q: What are the prime numbers that only have 2 factors?
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Related questions

Numbers with only 2 factors are called?

Numbers having only 2 factors are prime numbers. Their only factors are 1 and themselves. Prime numbers. The only two factors should be 1 and itself.


What are numbers that have 2 factors?

Numbers that have only 2 factors are prime numbers


What numbers has only 2 factors?

Any prime number, a prime number is a number of which the only factors are it and itself.


What prime number has only 2 factors?

All prime numbers have only 2 factors. A prime number has 1 and itself as its only factors.


Numbers that only have 2 factors?

Prime numbers


Which of the factors of 36 are prime numbers and explain how you know?

2 and 3 are the prime factors of 36. Of the factors of 36, 2 and 3 are the only prime numbers.


Will a prime number always have an odd numbers of factors?

All prime numbers have only 2 factors which are themselves and one. Al prime numbers are odd numbers except for 2 which is the only even prime number.


Why are some numbers prime and some numbers composite?

Prime numbers have only 2 factors while composite numbers have more than 2 factors


What numbers has only two factors?

Numbers with only two factors, the number itself and one, are called prime numbers. Examples of prime numbers are 2 (which is the only even prime number) and 17.


Why only 2 and 7 are prime factors of 28?

Among the factors of 28, 2 and 7 are the only prime numbers.


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


Is it true that prime numbers have to be prime and composite?

Prime numbers can not composite as - Prime number has only 2 factors whereas composite have more than 2