Yes
1, 2, 4, 5, 8, 10, 20 and 40 are the prime factors of 40
not a prime 40 = 4 x 10 = 2 x 20 and so on
5
1, 2, 4, 5, 8, 10, 20, 40 2 and 5 are prime.
1, 2, 4, 5, 8, 10, 20, 40 2 and 5 are prime.
No, 40 is not a prime. Its factors include 1, 2, 4, 5, 8, 10, 20, and 40. Any number that has more than two factors is not a prime number.
40%
Multiples of 5 are not prime numbers except 5, so there are none. But, there are prime numbers between 20 and 40, like 23, 29, 31 and 37.
The factors of -40 are 1, 2, 4, 5, 8, 10, 20, 40 and their negatives. The prime factors are 2 and 5.
There are four prime numbers between 20 and 40
23 29 31 37.
There are four. 23,29,31,37