The only distinct prime factor that 3125 has is 5.
There are six, but it is traditional to list them least to greatest,
Each prime number has only two factors which are itself and one.
If you mean 5 different prime factors, there are none. Multiplying the first five primes, you get 2*3*5*7*11 = 2310. If there is no requirement that the prime factors be different, there are many such numbers, the smallest being 2*2*2*2*2 = 32, and the largest being 2*2*2*5*7 = 280.
More than two.
1000000
420 has four prime factors: 2,3,5,7
420 has four prime factors: 2 3 5 7.
12
Two, one and itself.
2, 3, and 5 are the three different prime factors of 150.
The factors pairs of 20 are 1x20, 2x10, and 4x5 so 20 has 6 factors and 5 proper factors.
30 has three prime factors. The prime factors are 2,3,5.
420 has 5 prime factors, four of which are different prime numbers. Prime factors of 420 are 2 x 2 x 5 x 3 x 7.
Prime numbers have two factors.
Two prime factors
Two prime factors.