What is the difference between prime and prime?

It's the same. Just two different names

What is the relationship between prime number and prime number? Is it the same concept?

It's a concept. It's a number that can't be divided by a number greater than one and less than itself

4 is prime

4 is not prime, it's composite

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1. Who knows how to find prime numbers
2. Is the 62nd power of 2 prime
3. a. B and C are three prime numbers within 100. How many different equations make a + B = C hold?
4. Given | 2a-1 | + | 3b-2 | = 0, find the value of a + B fast
5. Given 10 ^ a = 2, 10 ^ B = 3, find 100 ^ 2a-1 / 3B
6. There are three prime numbers whose product is 1001. What are the three prime numbers?
7. There are three prime numbers whose product is 1001. What are the three prime numbers?
8. 60 = () + () 2. () + () = 80 prime numbers in brackets
9. If the sum of two nonzero natural numbers is prime, then the two numbers must be prime______ ．
10. ABCD multiplied by 2 equals four natural numbers of DCBA
11. What's the difference between prime numbers and prime numbers? So how to distinguish?
12. What are the prime numbers within 20? What is the meaning of prime numbers?
13. The sum of all prime numbers within 20 is () A .76 B .77 C .78
14. Prime numbers within 20 Ah, different styles
15. Fill in the brackets with the appropriate prime number 20 = () + () 19 = () + () 35 = () × () 17 = () + () × () Fill in the brackets with the appropriate prime number 20 = () + () 19 = () + () 35 = () × () 17 = () + () × () Two exactly the same right angle trapezoid, can be put together into a (), can also be put together into a () Natural numbers greater than 0 are both primes and even numbers (); () are neither primes nor composite numbers.
16. Given that the quadrilateral ABCD is a rectangle, ab = 2, ad = 3, e is the moving point on the line BC, f is the midpoint of CD, and ∠ AEF is an obtuse angle, then the range of de length of the line segment is
17. In the quadrilateral ABCD, ∠ DAB = 60 °∠ DCB ° ad = AB, try to prove that the line CD BC AB can form a right triangle ∠DCB=30° ∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°∠DCB=30°
18. Given that a, B and C are prime numbers, and a + B + C = 86, AB + BC + Ca = 971, find the value of ABC
19. AB is prime, and the molecule of a / 1 + B / 1 is 30. How many pairs of AB are there?
20. Given that AB is prime and 3a + 2B = 2000, find the value of a + B