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You test them, one at a time, to weed out any that has factors besides ' 1 ' and itself.
When you do that, you find that 2, 3, 5, 7, 11, and 13 are prime numbers.
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∙ 12y ago
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What is a square and prime number less than 30?
Prime numbers less than 30 are 2 3 5 7 11 13 17 19 23 29 Square numbers less than 30 are 1, 4, 9, 16 and 25.
What is the prime numbers in 16?
The only prime factor of 16 is 2.
What is 16 prime or composite?
16 is a composite number. All even numbers greater than 2 are composites.
Prime numbers from 16 to 28?
17, 19, and 23. All the other numbers have more than two factors.
Is 16 a composite or a prime number?
All even numbers greater than 2 are composite.
Name the prime numbers just before 16 and just after 33?
The closest prime number to 16, and less than 16, is 13. The closest prime number to 33, and greater than 33, is 37.
Prime numbers less than 16?
2, 3, 5, 7, 11, and 13
How many prime numbers are there less than 50?
1,2,3,5,7,11,13,17,19,23,29,31,37,41,43 & 47... making 16 in total.
All numbers less than 100 that are the product of exactly three different prime numbers?
No, for example: 16=24
What numbers less than twenty have prime squared factors?
The only prime numbers with squares less than 20 are 2 and 3 Numbers containing 2 squared : 4, 8, 12, 16 Numbers containing 3 squared : 9, 18
What is a square and prime number less than 30?
Prime numbers less than 30 are 2 3 5 7 11 13 17 19 23 29 Square numbers less than 30 are 1, 4, 9, 16 and 25.
Composite numbers less than 100 so that there is no prime between them?
Consecutive composite numbers less than 100 include 8-10, 14-16, 20-22 and others.
What are all the numbers less than 1000 that have 2 as their only prime factor?
2, 4, 8, 16, 32, 64, 128, 256, 512
What is a prime number greater than 14 but less than 18?
It is: 17
What are all the prime numbers under 16?
The prime numbers under 16 are 2,3,5,7,11 & 13.
How many prime numbers 601 to 700?
16 prime numbers
How can the GCF of 16 and 42 be less than 16?
The GCF of any set of numbers must be less than or equal to the smallest of the numbers. It is the greatest factor that goes into each of the set of numbers and so cannot be greater than any of them.
