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Any number squared except 0 is a perfect square so it follows that prime numbers are less common than perfect squares.
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What are names of 5 famous math sequences?
Fibonacci Sequence: 1,1,2,3,5,8,... Perfect Squares: 1,4,9,16,25,... Triangular Numbers: 1,3,6,10,15,... Prime Numbers: 2,3,5,7,11,13,17,... 2^n: 2,4,8,16,32,64,...
What do say for numbers which have exactly 3 factors?
Numbers with exactly three factors are squares of prime numbers.
What is the smallest prime number which is the sum of two distinct positive perfect squares?
5
Numbers with 3 factors?
The squares of all prime numbers above 2 have exactly 3 factors.
What numbers have exactly 3 factors?
All numbers that are the square of primes have exactly 3 factors.
What do 49 and 121 have in common?
squares of prime numbers
What are all the numbers that can be divided by only 3 multiples?
Numbers can't be divided by multiples. They get divided by factors. Factors go into numbers, numbers go into multiples.
Are the numbers 25 and 49 relativley prime numbers?
No - prime numbers are numbers that can only be divided by 1 and itself. 25 and 49 are examples of perfect squares 5*5 = 25 and 7*7=49
Which of the first ten perfect square numbers has only 3 factors?
Those would be the squares of prime numbers: 22, 32, 52, etc.
What type of numbers would have only three divisors?
prime squares
What is the smallest negative perfect square that is divisible by the four smallest prime numbers?
Perfect squares are positive. A smallest negative number doesn't exist. The four smallest prime numbers are 2, 3, 5 and 7. The smallest perfect square would have to be 2^2 x 3^2 x 5^2 x 7^2 or 44,100
What numbers have 3 factors?
The squares of all prime numbers have 3 factors.
What numbers past 100 have 3 factors?
The squares of prime numbers greater than 10.
How many prime numbers have squares between 100 and 300?
There are two prime numbers with squares between 100 and 300. These prime numbers are 11 and 13. (112 = 121 and 132 = 169.)
What are names of 5 famous math sequences?
Fibonacci Sequence: 1,1,2,3,5,8,... Perfect Squares: 1,4,9,16,25,... Triangular Numbers: 1,3,6,10,15,... Prime Numbers: 2,3,5,7,11,13,17,... 2^n: 2,4,8,16,32,64,...
How many two digit numbers which have three factors?
The only numbers which have exactly three factors are perfect squares of prime numbers. That only gives us two results: 5^2 = 25 7^2 = 49 The squares of any other prime numbers are either too small or too large to have two digits. (The next smaller prime number is 3, and the next larger prime number is 11.)
What are all the composite numbers with 3 factors?
squares of prime numbers
