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How many natural numbers less than 1000 will have exactly 3 factors?
11
Find all numbers less than 50 that have exactly three factors?
4, 9, 25, 49
What are 3 numbers less than 100 that have exactly 4 factors each?
6 (1,2,3,6) 10 (1,2,5,10) and 15 (1,3,5,15).
What are all the factors less than a hundred which have exactly 6 factors?
The numbers less than 100 with exactly 6 factors are of the form a2b where a and b are different primes. 12, 18, 20, 28, 44, 45, 50, 52, 63, 68, 75, 76, 92 and 99.
Is the difference of two numbers always less than at least one of the numbers?
yes. for all positive, distinct numbers greater than 0
How many numbers less than 100 have exactly nine distinct factors?
Just 36.
How many natural numbers less than 1000 have exactly three distinct positive integer divisors?
Prime squares have three factors. There are 11 of them in that range.
What is the least natural number that has exactly 4 distinct odd factors?
3*5*7*9 = 945 ...check if any number less than that has exactly four distinct factors.
What are all the numbers less than 100 with exactly 3 factors that are prime?
By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.
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.
What are 3 numbers less than 50 that have exactly 2 factors?
4, 9, 25 and 49 They are squares of prime numbers.
How many natural numbers less than 1000 will have exactly 3 factors?
11
How many numbers less than 10 have exactly 2 factors?
there are 3 no.2,3 & 5
How many whole numbers less than 2010 have exactly three factors?
14 (I think).
All odd numbers less than 30 that are prime?
Prime number are number which have exactly two distinct factors, 1 and itself. Odd primes less than 30 are: 3, 5, 7, 11, 13, 17, 19, 23 and 29.
Numbers less than 10 that have exactly 2 factors?
1, 2, 3, 5, and 7
What 3 numbers less than 50 have exactly 2 factors?
Every prime number has exactly two factors. They are '1' and the number itself. There are 15 prime numbers less than 50. A few of them are 2, 3, 5, 7, 11, 13, and 47.
