what do we call the numbers that cannot be arranged into 2 row arrays
odd numbers?
ur answer is odd numbers welcome for noing da answer(:!!!!! WELCOME EVERYONE!!!!!
The numbers that cannot be arranged into 2-row arrays are called prime numbers.
To understand why prime numbers cannot be arranged into 2-row arrays, let's first define what a prime number is. A prime number is a positive integer greater than 1 that has no positive divisors other than 1 and itself.
Now, let's consider arranging numbers into 2-row arrays. We typically arrange numbers in a grid-like format with two rows and multiple columns. For example:
1 2
3 4
5 6
In this case, the numbers are arranged in a 2-row array with 3 columns. Each number in the array fills one cell in the grid.
However, if we attempt to arrange prime numbers into a 2-row array, it becomes challenging because prime numbers only have two divisors: 1 and the number itself. Since a 2-row array would require more than two divisors, prime numbers cannot be evenly distributed into such an array.
For instance, if we try to arrange the prime numbers 2, 3, 5, and 7 into a 2-row array, we face difficulties because there are not enough divisors to fill all the cells. It would look like this:
2 3
5 7 ?
As you can see, there is no prime number that can fill the last cell in the array, resulting in an incomplete arrangement. This pattern holds true for all prime numbers, regardless of their size.
So, when we cannot arrange numbers into 2-row arrays due to the lack of divisors, we can simply refer to those numbers as prime numbers.