Sum of prime numbers within 200 odd even numbers This is the question in our classroom manual. Thank you

Table of prime numbers within 100

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1. If the number within 20 is both prime and even, it is (), if it is combined and odd, it is ()
2. The basic concepts of factor, multiple, odd number, even number, prime number and composite number in primary school mathematics books It's better not to offer a reward before 21:00. If it's OK, it's better to add Even after 21:00,
3. On the concepts of multiple, factor, even number, odd number, prime number and composite number
4. 1. Which of 2; 18; 37; 51; 60; 153; 235 are prime numbers and which are composite numbers
5. In & nbsp; 1, 2, 12, 37, and 51, odd numbers have______ Prime numbers have______ The total number is______ ．
6. The greatest divisor of two natural numbers is 7, the least common multiple is 84, and the sum of two natural numbers is 49?
7. The natural number P has 9 divisors and the natural number Q has 10 divisors. The least common multiple of P and Q is 2800. What are Q and P? If it is understandable, I will adopt it
8. Find out not more than 300 of only 15 divisors of all natural numbers!
9. Natural numbers a and B are divisors of their least common multiple
10. Is there a natural number whose product of all true divisors equals itself?
11. Among all the factors of 18, what is even and prime? What is odd or composite?
12. There are several prime numbers, composite numbers, odd numbers and even numbers in the factor of 18
13. In 12 factors, odd number has () even number has () prime number has () combined number has ()
14. In the factor of 12, what is odd, what is even, what is prime, what is composite
15. How many factors of 42? Among these factors, how many are even? How many are odd? How many are prime? How many are combined?
16. How many composite numbers? How many prime numbers? How many even numbers? How many odd numbers?
17. What are the odd numbers, even numbers, prime numbers and combined numbers in the 36 factors?
18. A composite number decomposes the prime factor. There are five prime numbers. The composite number is the smallest
19. On the prime factor of prime number combination judge If a is divided by B = 10, then a must be divisible by B ——————————————————————————— Two composite numbers are coprime numbers. Their least common multiple is 120. These two numbers are () and () When the length is () cm and the width is () cm, the largest space it occupies is () cubic cm If 24 is a multiple of a and a constraint of a, then a = (), the prime factor of a is () If a is prime and B is composite, then () A.a+b B.a-b C.a+2b D.（a+2）b
20. Every sum number can be written in the form of (). These prime numbers are called the prime factors of the composite number