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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 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 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 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.
How many numbers less than 10 have exactly 2 factors?
there are 3 no.2,3 & 5
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 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?
A number that has exactly an odd number of factors is a power of another number. A number between 10 and 30 that is a power is 16. It is 24 (as well as 42) and its factors are 1, 2, 4, 8, and 16.
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.
