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Why are no prime numbers perfect numbers?
Prime numbers have two factors. The sum of their proper divisors is always 1.
What is the sum of all perfect square numbers from 1 to 50?
140
Can 5077 be expressed by the sum of 2 perfect square numbers?
Yes, 5041 and 36.
Why are some numbers called square roots?
they are called square numbers because, the numbers that are being multiplied by itself(5x5=25)would equal its' sum OR answer. These numbers would be a perfect square.
Can every square from 5 to 15 be wtitten as a sum of two prime numbers?
yes it does
Why are no prime numbers perfect numbers?
Prime numbers have two factors. The sum of their proper divisors is always 1.
What number is a perfect square the only prime number in its prime factorization is 2 and the sum is odd?
16
Can every square from 5-15 be written as the sum of 2 prime numbers?
There is only one square number from 5-15: 9. This can be written as the sum of 2 and 7, which are prime numbers.
What is the sum of all perfect square numbers from 1 to 50?
140
How many two digit numbers have digits whose sum is a perfect square?
69
Can 5077 be expressed by the sum of 2 perfect square numbers?
Yes, 5041 and 36.
Why are some numbers called square roots?
they are called square numbers because, the numbers that are being multiplied by itself(5x5=25)would equal its' sum OR answer. These numbers would be a perfect square.
Can every square from 5 to 15 be wtitten as a sum of two prime numbers?
yes it does
What are the numbers arranged from 1 to 20 in a circle such that the sum of any two adjacent numbers is a perfect square?
hnmhv
How many of the numbers from 10 through 98 have the sum of their digits equal to a perfect and 8203 square?
There are 17 such numbers.
What is the square of the sum of two primes?
There is no particular characteristic that is common to such numbers other than they are positive integers greater than or equal to 4.
What is the sum of the 1st prime numbers?
The sum of the first two prime numbers is 5.
