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Why is 135790 not a prime number?
Becasue the given number is a compound number because it can be divivded by '2' Remember all 'EVEN' numbers are those ending in 0,2,4,6,8 are even and can be divided by '2'. Except for '2' itself, all prime numbers are odd.
Is 6480 prime to 2?
6480 is NOT a Prime Number.#Reason it is a multiple of '2'. Remember the only even prime number is '2' All other prime numbers are odd numbers. Even numbers end in 0,2,4,6,8 Odd numbers end in 1,3,5,7,9
What is the lowest prime number that has all of the numbers prime?
The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.
What is the easiest way to find the greatest common factor of 3 numbers?
do the prime factorization of the 3 numbers. list the prime factors of all the 3 numbers. circle the factors that are common to the 3. multiply them. that number is the HCF
What are all of the factors of a prime number?
It is always 1 and the prime number itself.
