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

Updated: 10/23/2022

Wiki User

8y ago

2 and 3 are prime numbers.

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8y ago

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Q: Why cant 2 and 3 be two consecutive whole numbers be prime numbers?
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### Why cant a whole number ending in 8 be prime?

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

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The numbers 1, 2 or 3 are such numbers.

### What are the prime numbers up to 60 with remainder of three and they are divided by 7?

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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.

no it cant

### What is the Factor tree for 90?

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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Because they both have a factor of 2.

u cant