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Numbers that have exactly 2 factors under 10 are prime numbers. Prime numbers are integers greater than 1 that have no positive divisors other than 1 and themselves. Examples of prime numbers under 10 are 2, 3, 5, and 7. These numbers have only two factors, 1 and the number itself.
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Steve
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FranWell, honey, the numbers under 10 that have exactly 2 factors are called prime numbers. So, we're talking about 2, 3, 5, and 7. They're like the cool kids in math class, strutting around with only themselves and 1 as factors.
Oh, dude, those are the prime numbers! Prime numbers are the cool kids in math class with only two factors - 1 and themselves. So, under 10, you've got 2, 3, 5, and 7 strutting their stuff. Like, they're the VIPs of the number world.
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What numbers under 50 have 4 factors?
6, 8, 10, 14, 15, 21, 22, 26, 27, 33, 34, 35, 38, 39, 46 have exactly four factors.
Factors that have exactly four factors?
10 is a factor that has four ; 1 , 2 , 5 , & 10
What does composite means in math?
A composite number is a number that has more than 2 whole number "factors".Factors are numbers that multiply other numbers to get another number.Example:2 * 5 = 101 * 10 = 101, 2, 5, 10 are all factors of 10. Since 10 has four factors, which is greater than 2, it is a composite number!Prime numbers have exactly 2 factors.You can only multiply 1 and 7 to get 7. 7 is prime.1 is neither prime nor composite.
What are math factors?
Math Factors are numbers that divide evenly into another number. For instance 10-the factors would be 1,2,5 and 10 . All numbers divide evenly into 10.
What numbers only have 4 factors?
Numbers that have exactly 4 factors are known as semiprime numbers. Semiprime numbers are the product of two prime numbers, and since prime numbers only have two factors (1 and the number itself), the product of two prime numbers will have a total of 4 factors. Examples of semiprime numbers include 6 (2 x 3) and 15 (3 x 5).
What numbers have exactly 4 factors?
8 10 12 and 13
What are the 3 numbers that are under 100 that have 4 factors exactly?
There are a lot more than three! 6 (1,2,3,6) 10 (1,2,5,10) 15 (1,3,5,15)
How many numbers are there less than thirty have exactly 6 factors?
Numbers with exactly 6 factors are perfect squares of prime numbers. The prime factorization of a number with exactly 6 factors is in the form ( p^2 ), where ( p ) is a prime number. There are 10 prime numbers less than 30: 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29. So, there are 10 numbers less than 30 that have exactly 6 factors.
Which number has exactly 10 factors?
Any number of the form a*b^4 where a and b are different prime numbers, or c^9 where c is a prime, will have exactly 10 factors.
What numbers under 50 have 4 factors?
6, 8, 10, 14, 15, 21, 22, 26, 27, 33, 34, 35, 38, 39, 46 have exactly four factors.
Which numbers from 2 to 10 divide exactly into 81?
The factors of 81 that are between 2 and 10 are 3 and 9.
What is a whole number greater than 1 that is exactly two factors?
Any composite number. Examples: 4 and 9 . . . (three factors) 6, 8, and 10 . . . (four factors) 12 . . . (six factors) 60 . . . (twelve factors)
How many numbers less than 10 have exactly 2 factors?
there are 3 no.2,3 & 5
How many number under 10 have 2 factors?
There are 4 prime numbers under ten.
Numbers less than 10 that have exactly 2 factors?
1, 2, 3, 5, and 7
What number has 5 factors exactly between 10 and 30?
The numbers between 10 and 30 that have exactly 5 factors are 16 and 25. The number 16 has factors 1, 2, 4, 8, and 16. The number 25 has factors 1, 5, 25, but since it is a perfect square, it also includes the repeated factor of 5. These are the only two numbers between 10 and 30 that have exactly 5 factors.
Is twenty prime or composite?
Twenty is composite. It has the factors 1, 2, 4 ,5, 10, and 20. Prime numbers have exactly two factors. Composite numbers have three or more.
