The prime numbers (factors) of 1000 are: 2 and 5
168 prime numbers under 1000.
There are 168 prime numbers between 1 & 1000.
13 prime numbers
The prime factors of 1000 are: 2, 5
Prime No: between 1000 to 9999= 54_( 42x3)
They are in exponents: 23*53 = 1000
Negative numbers don't have prime factorizations.
167
76127
76,127
2 and 5