Classic Classic Quiz Prime numbers by Anneclav Anneclav 139 played - 11 mths ago What is a prime number? Which numbers are prime? Are there any rules? To find out, take this quiz! QUIZ 10 QUESTIONS expert Math 1 What is a prime number? A number whose digits sum to a number only composed of 1A number only divisible by itself and by oneA number whose unit digit is 1 2 Is 3 a prime number ? YesNoIt depends 3 Is 9 a prime number ? YesNoIt depends 4 Which of these numbers is prime? 252729 5 Which of these numbers is not prime? 535759 6 Which of the following statements is false ? A prime number is always oddA prime number can be negativeAll integers can be obtained with the product of several prime numbers 7 True or false ? 1 is a prime number TrueFalseIt depends 8 When are two numbers said to be prime to each other ? When the sum of the two numbers gives a prime numberWhen their PGCD is a prime numberWhen their PGCD is equal to 1 9 How many digits (approximately) does the largest known prime number have ? 300 00017 000 00058 000 000 10 548 265 459 is it first ? YesNoIt depends A mistake in this Quiz ? Contact the author Commentaires
