2 x 2 x 3 x 3 = 36
Prime numbers are only divisible by themselves and 1. 36 can be divided by 2, 3, 4, 6, 12 and 18 and is not a prime number.
40 & 4
2x2x2x2=16
-- List all the divisors (factors) of 36. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36 . -- Check over the list, and mark all the ones that are prime numbers. There are only two of them, so I'll let you handle that part.
3*3*4
2 x 2 x 3 x 3 = 36
There are 4 prime numbers between 36 and 49. 37, 41, 43, and 47.
Prime numbers are only divisible by themselves and 1. 36 can be divided by 2, 3, 4, 6, 12 and 18 and is not a prime number.
4 is a factor of 36, but it is not a prime number.
4 and 18
5,5,7 and 7.
40 & 4
2x2x2x2=16
2 and 3. (4 x 9 = 36)
-- List all the divisors (factors) of 36. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36 . -- Check over the list, and mark all the ones that are prime numbers. There are only two of them, so I'll let you handle that part.
4 times 9.