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It is not a Prime number.
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How can you tell 28655 not a prime number looking at the last digit?
All numbers ending in 0 and 5 are divisible by 5 and since 28655 ends in 5, it is divisible by 5 and therefore not prime.
How can you tell that 28655 isn't a prime number?
Any number that has a 5 or 0 in the ones place is divisible by 5. If a number is evenly divisible by another number, it is NOT prime.
How is 28655 not a prime number?
Becouse 5731*5=28655.5 is a factor, you can multiply a number by five to get this (if the number ends in 5 or 0, 5 is always a factor).
What is you called when the prime factorization of a number is 1 and itself?
You is called a prime number!You is called a prime number!You is called a prime number!You is called a prime number!
What is a prime number times a prime number?
A prime number times a prime number is a composite number. Since prime numbers, except for 2, are odd numbers, a prime number times a prime number is usually an odd number. It will only be an even number if one of the prime numbers is 2. A prime number times a prime number will be a number with four factors unless both prime numbers are the same, in which case it will be a square number with only three factors.
