Question: Some prime numbers can be expressed as a sum of other consecutive prime numbers. For example 5 = 2+3, 17 = 2+ 3+5+7, 41=2+3+5+7+ 11 + 13. Your task is to find out how many prime numbers which satisfy this property are present in the range 3 to N subject to a constraint that summation should always start with number 2. Write code to find out the number of prime numbers that satisfy the above-mentioned property in a given range. Input Format: First line contains a number N Output Format : Print the total number of all such prime numbers which are less than or equal to N. Constraints: 2
Question: Some prime numbers can be expressed as a sum of other consecutive prime numbers. For example 5 = 2+3, 17 = 2+ 3+5+7, 41=2+3+5+7+ 11 + 13. Your task is to find out how many prime numbers which satisfy this property are present in the range 3 to N subject to a constraint that summation should always start with number 2. Write code to find out the number of prime numbers that satisfy the above-mentioned property in a given range. Input Format: First line contains a number N Output Format : Print the total number of all such prime numbers which are less than or equal to N. Constraints: 2
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question: Some prime numbers can be expressed as a sum of other consecutive prime numbers.
For example 5=2+3, 17 = 2+ 3+5+7, 41 = 2+ 3+5+7+11+13. Your task is to find out how many
prime numbers which satisfy this property are present in the range 3 to N subject to a constraint
that summation should always start with number 2.
Write code to find out the number of prime numbers that satisfy the above-mentioned property
in a given range.
Input Format: First line contains a number N
Output Format : Print the total number of all such prime numbers which are less than or equal to
N.
Constraints: 2<N<=12,000,000,000
Example :
Input:
20
Output:
2
Explanation:
Below 20, there are 2 such numbers,
5=2+3
17=2+3+5+7
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