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โˆ™ 2014-06-22 16:49:29
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Q: How many whole numbers from 1 to 100 are divisible by 3 different prime numbers?
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What prime numbers end in a 5 or 2?

5 and 2 are the only prime numbers that end in a 5 or 2. A prime number is by definition only divisible by 1 and itself, and all other whole numbers ending in 5 or 2 are divisible by 5 or 2, respectively. Numbers that are not whole numbers cannot be prime.

What are Prime numders?

Prime numbers are whole numbers that are not divisible by anything but one and itself. Examples of prime numbers include 1;2;3;5;7;9... etc. Prime numbers must always be odd (except for 2) but not all odd numbers are prime. For example, 21 is odd, but it is divisible by 3 and 7. Therefore, it is not prime.

Is 0.4 a prime number?

No, a prime number is a whole number divisible only by itself and 1. Fractions are not prime numbers.

What different between odd number and prime number?

While all prime numbers are odd (except 2), not all odd numbers are prime. 9 for example is an odd number, but you can get it by multiplying 3X3, so it is not prime. Odd numbers are numbers that are not divisible by 2. Prime numbers are numbers that cannot be generated by multiplying 2 whole numbers besides 1 and itself.

What are prime odd numbers?

Almost all prime numbers are odd. The number 2 is an exception, it is the only even prime number. Prime numbers are numbers which are evenly divisible only by themselves, and the number 1. Which is to say, they have no factors. So when factoring a number, the smallest factors are prime numbers. Any numbers that are not prime have factors. Prime number: A whole number only divisible by itself and 1. Odd number: A whole number that does not have a factor that is 2.

Is 135 a prime number?

A prime number is a number that is not divisible into whole numbers, except by itself and one. 135 is not a prime number as it is divisible by 5 with a ressulting quotient of 27.

Is 71 a prime composite or neither?

Prime number - 71 is only divisible by whole numbers 1 and itself.

Is 43.2 a prime number?

Only integers (whole numbers) can be primes. A prime is a number that is only divisible by 1 and itself. 43.2 and all other decimal numbers are not divisible by 1.

What are composite and prime numbers?

A prime number is any whole, rational number that is only divisible by itself, 1 or -1. A composite number is a whole, rational number that is divisible by the above, plus any other whole number available. 1 and 0 are neither prime, nor composite.

Are whole numbers and prime numbers the same?

No. Prime numbers are a subset of whole numbers.

Can 3 consecutive whole numbers be prime?

No. Any three consecutive numbers will have at least one of them which is divisible by 2, which means it cannot be prime. And since 1 is not considered a prime number, it cannot happen.

How do you change whole numbers to prime numbers?

You don't. All prime numbers are also whole numbers.

Is a whole number divisible by 2?

Only even whole numbers are divisible by two.

Are whole numbers prime?

No because whole numbers that have only two factors are prime numbers

What is 2.25 divisible by?

Nothing. Only whole numbers are divisible.

What is 677 divisible by?

The only whole numbers that go into 677 evenly are '1' and 677, because 677 is a prime number.

What is the smallest whole numbers that has two different prime factors?


Are all numbers divisible by 6 also divisible by 3?

Yes, if you are referring to whole numbers.

Why are 1 and 0 not prime numbers?

Prime numbers are whole numbers evenly divisible only by themselves and 1. By convention, 1 is not considered a prime number. Zero cannot be divided by itself because division by 0 is not allowed so it cannot meet the definition of being prime.

What is define prime number?

A prime is a whole number divisible by itself and 1, and no other whole number.

What are numbers that are divisible?

All whole numbers are divisible. If you mean divisible by numbers other than 1 and themselves, the answer is the set of composite numbers.

Can a whole number with zero in the ones place be prime?

No, all numbers with a zero in the one's place are divisible by at least 1, themselves, and 2, which means they cannot be prime.

Do all prime number have to be whole number?

Yes, prime numbers are whole numbers, by definition.

What is a prIme nnumber?

A prime number is a number that is not divisible by any whole number.

Is 6.8 prime?

The concept of prime and composite numbers is relevant to integers. If the domain is extended to rational number (or further) then every number is divisible by any other non-zero number in the domain.