Presumably you mean the prime factors, which are 2 and 7
How many numbers are in 28
28 is the product of the prime numbers 2 x 2 x 7.
No, because 28 can only be calculated as a product in the following ways: 1 x 28 2 x 14 4 x 7 In the above cases, 28, 14 and 4 are all non-prime numbers, which means that 28 cannot be a product of 2 prime numbers alone.
28 = 2x2x7
The numbers 19 and 23 are prime.
23 is the only prime number between 20 and 28.
The sum of the first five prime numbers is 28. The sum of the cubes of the first three prime numbers is 160. The average of 28 and 160 is 94.
The first five prime numbers are 2,3,5,7,11. The sum of the first five prime numbers is 28.The sum is: 2+3+5+7+11 = 28
The first five prime numbers before 28 are 23, 19, 17, 13, and 11.
No combination of non-zero even numbers can be relatively prime.
The prime numbers (factors) of 28 are: 2 and 7
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.