试题来源: 解析 (1)101 is a prime number.(2)123 is not a prime number as it is divisible by 3.(3)127 is a prime number.(4)133 is not a prime number as it is divisible by 7. (1)N/A.(2)N/A.(3)N/A.(4)N/A.反馈 收藏 ...
Prime numbers are any numbers that cannot be evenly divided by any integer other than 1 and itself. Or in other words, the only numbers that you can multiply to get a prime number are 1 and the prime number. Numbers that are not prime, or those with additional factors other than 1 and...
What are odd and even numbers? Even numbers are divisible by 2, while odd numbers aren’t. This means that if you divide an even number by 2, you’ll always get a whole number result (e.g. 10/2 = 5). On the other hand, if you divide an odd number by 2, you’ll get a ...
Find a prime p such that the smallest primitive root mod p is 23. Prove that your answer is correct. Given the numbers 1,4,5,7,8, and 9, how many 4 digit numbers can be made that are not evenly divisible by two?...
Since 36 is not odd, not prime, and not divisible by 8, the only possible answer is D. 双素数是指两个素数并且两个数的差是2.如果P是任意一对双素数的乘积,那么P+1是( ). A.奇数 B.素数 C.被8整除D.被4整除 考虑5×7+1=36. ∵36不是奇数,不是质数,也不能被8整除,那么只有D选项是...
It is a prime number because 2 has only two factors, 1 and 2 itself. c.) True, 0 is an even number. Example 3: Select the even numbers from the following: a.) 778 b.) 912 c.) 223 Solution: a.) 778 is an even number because it is divisible by 2. b.) 912 is an even ...
2 is not divisible by 3 or 9. So, 11 is not divisible by 3 or 9. The ones digit is not 0 or 5. So, it is not divisible by 5. 11 has exactly two factors, 1 and itself. Therefore, 11 is a prime number. Frequently Asked Questions on Composite and Prime Numbers Is 1 a prime...
We have two distinct prime numbers p and q which are greater than 2. We will take two distinct prime numbers which are greater than 2 Let p = 7 and ...Become a member and unlock all Study Answers Start today. Try it now ...
Even numbers are the numbers that are exactly divisible by 2. Therefore, 4, 12, and 32 are even numbers, whereas, odd numbers are the numbers that are not divisible by 2. Therefore, 1, 3, 7, 21, and 29 are odd numbers. Example 3:William has a collection of number cards with the...
Divisibility, Prime Numbers, and Prime Factorization 29 related questions found Is 8 a prime number Yes or no? No, 8 is not a prime number. The number 8 is divisible by 1, 2, 4, 8. For a number to be classified as a prime number, it should have exactly two factors. Since 8 has...