Answer:
1. 2,3
2. 2,3,5
3. 2,7
4. 2,5
5. 199
Step-by-step explanation:
Prime Factors:
36 = 2,3
•36 divides by 2, 36 = 18 • 2
•2 • 18
•18 divides by 2, 18 = 9 • 2
•2 • 2 • 9
•9 divides by 3, 3 • 3
•2 • 2 • 3 • 3
Hence, 2, 3 are the prime numbers
90 = 2,3,5
•90 divides by 2, 45 • 2
•2 • 45
•45 divides by 3, 15 • 3
•2 • 3 • 15
•15 divides by 3, 5 • 3
•2 • 3 • 3 • 5
Hence, 2,3,5 are the prime numbers
56 = 2,7
•56 divides by 2, 28 • 2
•2 • 28
•28 divides by 2, 14 • 2
•2 • 2 • 14
•14 divides by 2, 7 • 2
•2 • 2 • 2 • 7
Hence, 2,7, are the prime numbers
200 = 2,5
•200 divides by 2, 100 • 2
•2 • 100
•100 divides by 2, 50 • 2
•2 • 2 • 50
•50 divides by 2, 25 • 2
•2 • 2 • 2 • 25
•25 divides by 5, 5 • 5
•2 • 2 • 2 • 5 • 5
Hence, 2,5 are the prime numbers
199 = 199
•199 is already a prime number, hence it is the prime number