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How can you use an array of counters to identify whether a number of counters is prime or composite?
If you can arrange the counters in the shape of a rectangle with at least two in each row and each column then the number is composite. The numbers of row and the numbers of columns are factors of the given number. If the only rectangle you can make is the "degenerate" one, with only one row or only one column, then the number is prime.
Is 43 and 32 composite or prime?
43 is prime. 32 is composite.
Is 4 and 31 prime or composite?
4 is composite, 31 is prime.
Which is a prime number 33 43 63?
43 is a prime number because it has exactly two factors, 1 and 43. 33 and 63 each have 3 as a factor as well as 1 and themselves, so they are composite numbers.
What is the sum ratio of the number of one digit prime numbers and the number of one digit composite numbers?
There are four of each.
Identify number as prime composite or neither 77?
Identify each number as prime, composite or neither: 1
Is 51 and 103 a composite or prime number?
51 is composite, 103 is prime.
How prime factorizations does a number have?
Each composite number has its own unique prime factorization.
List all of each number then identify each number prime or composite?
There are infinitely many numbers, and these comprise infinitely many primes and composites. It is not possible to list them all.
Is each number prime composite or neither 531?
531 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
Is there another number that has the prime factorization of 2626?
No. Each composite number has its own unique prime factorization.
How can you use an array of counters to identify whether a number of counters is prime or composite?
If you can arrange the counters in the shape of a rectangle with at least two in each row and each column then the number is composite. The numbers of row and the numbers of columns are factors of the given number. If the only rectangle you can make is the "degenerate" one, with only one row or only one column, then the number is prime.
Are two composite number maybe relatively prime to each other?
no
Do you need to know all the factors of a number to decide if its prime or composite?
No. If the number has one factor (other than 1 and itself) it is a composite. However, to establish that a number is prime it needs to be checked for divisibility by each prime number up to the square root of the number. If the only factor found is 1, then it is a prime.
Is 37 and 42 prime or composite?
37 is prime, 42 is composite.
Is 22 and 11 prime or composite?
11, prime. 22, composite.
Is 43 and 32 composite or prime?
43 is prime. 32 is composite.
