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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.
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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 is the smallest two digit number with exactly 10 factors?
45
What number has 10 factors exactly?
Any number n=q1q2...q10 with qi a prime number
What number is between 10 and 10.3?
Exactly halfway between them is 10.15.
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)
Which numbers from 2 to 10 divide exactly into 81?
The factors of 81 that are between 2 and 10 are 3 and 9.
Does 10 have exactly two factors?
no because every number is multiplied by 1 and it equals the same as the number...yay:D
What number between 30 and 50 has the highest amount of factors?
48 has 10 factors.
What is the number between 10 and 20 and have 3 factors?
12
What is the second lowest number with 10 factors?
48 has ten factors, 60 and 72 have twelve apiece, 80 is the next one with exactly ten.
What number has exactly 10 divisors?
The first number to have exactly 10 divisors is 48.
Factors that have exactly four factors?
10 is a factor that has four ; 1 , 2 , 5 , & 10
