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Many, but not all.

An example is 93. 93 is equal to 31x3 and not only 93x1.

Another example is 63. 63 is equal to 21x3 and not only 63x1.

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16y ago

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Related Questions

All the 2 digit numbers ending with 3 that are prime numbers?

13, 23, 43, 53, 73, 83


Are numbers that end in 6 prime?

Except for '2' , there are no even prime numbers. Even numbers end in 0,2,4,6,8 Except for '2' , Prime numbers are all odd numbers. However, NOT all odd numbers are Prime Numbers. All odd numbers end in 1,3,5,7,9. e.g. 13 is a prime number. 15 is NOT a prime number. It is composite ( 3 x 5 = 15) Hence any number ending in '6' is EVEN and NOT a prime. e.g. 36.


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No, as for example 33 ends with a 3 but it is a composite number because it has more than two factors.


What prime numbers remain prime numbers when their tens are changed?

All prime numbers ending in 1, 3, 7 or 9. For example, 31 and 71 23 and 43 17 and 47 19 and 79.


What are the first three prime numbers ending with 3?

3,13,23


What are all the two digit prime numbers ending in 3?

13, 23, 43, 53, 73, 83


What numbers have 3 5 and 7 as prime numbers?

Themselves because they are all prime numbers.


What are all the prime numbers of 6?

All the prime numbers of six are 2 and 3.


What are all the prime numbers from 1-3?

The prime numbers from 1 to 3 are 2 and 3.


What do 3 5 7 11 and 13 have in common?

They are all odd, and they are all prime numbers


What 2-didgit whole numbers ending in 3 are prime numbers?

3, 13, 23, 43, 53, 73, 83


How do you find the lcm of three numbers when all of them are prime?

When all of them are prime numbers,then just multiply the numbers to get the LCM of those 3 numbers.