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A Prime number is only divisible by 1 and itself.
If all three digits have to be used then any number formed from them is divisible by 9 as the sum of the digits = 9. Thus no prime number can be formed.
If only two of the three digits are used then it cannot end in 0 or 8 as it would be divisible by 2. This only leaves 81 where the digits again total 9 and thus is divisible by 9.
None of the single digits 0,1,8 are prime. 8 is an even number. 1 is classed as unity, 0 is zero.
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What are all the prime numbers from 2 to 0?
The only prime number from 2 to 0 is 2.
Is 130 a prime number?
No prime numbers end in 0. 130 is a composite.
Are 0 and 5 composite numbers?
0 is a composite number. 5 is prime.
What numbers are divisible by prime numbers?
Composite numbers are divisible by prime numbers.
What natural number is not a prime nor a compound number?
1 is nether prime or composie, the only natural numbers like this. 0 and negative numbers are not natural numbers.
