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Q: Why cant 2 and 3 be two consecutive whole numbers be prime numbers?

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Whole numbers ending in 8 are even numbers. All even numbers except for 2 are composite numbers.

prime numbers

Because it will have those numbers as factors.

How can 2 prime numbers ever be equal They cant be Equal.

The numbers 1, 2 or 3 are such numbers.

no prime numbers except for 7 can be divided by 7 that the point of prime numbers, they cant be divided by anything but them self and one.

no it cant

A prime number is any number that only has one and itself as factors. By definition even numbers have a factor of two. Therefore even numbers cannot be prime, with he exception of 2.

Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.

when the two numbers cant be multiplied twice basically prime numbers

Because they both have a factor of 2.

a factor is actually like a tree with branches.just divide 90 by prime whole numbers until you get all prime numbers.first divide 90 by 290/2 = 45 [2 is a prime whole number]45/5 = 9 [5 is a prime whole number]9/3 = 3 [3 is a prime whole number]since your last number is 3 you cant divide anymore to get a smaller prime whole number.so now use the numbers you have... 90,45,9,2,3,3, and 5 to make your factor tree.start with 90 at top. make two branches with 45 and 2 on the ends. make two more branches from 45 with 9 and 2 on the ends. make two more branches from the 9 with a 3 and 3 on the ends. all of the ends of your branches now have prime whole numbers and you are finish!9045,215,3,25,3,3,2

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