All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
Prime power divisibility (Posted on 2024-10-15) Difficulty: 2 of 5
How many prime numbers p make the number 3p2+p+1 + 7p2+p+1 divisible by p?

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Analytic solution | Comment 13 of 14 |
(In reply to Analytic solution by Paul)

<h3 style="--tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59, 130, 246, .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; box-sizing: border-box; margin-top: var(--md-h3-margin-top); margin-right: 0px; margin-bottom: 16px; margin-left: 0px; padding: 0px; line-height: var(--md-h3-line-height); font-size: var(--md-h3-font-size); color: rgb(38, 38, 38); font-family: -apple-system, "system-ui", "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";"> Determine Possible Values of <math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>p</mi></mrow></semantics></math></h3>

  • The prime factors of 370 are <math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mn>2</mn><mo separator="true">,</mo><mn>5</mn><mo separator="true">,</mo></mrow></semantics></math> and <math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mn>37</mn></mrow></semantics></math>.
  • Thus, the possible values for <math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>p</mi></mrow></semantics></math> are: <math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>p</mi><mo>∈</mo><mo stretchy="false">{</mo><mn>2</mn><mo separator="true">,</mo><mn>5</mn><mo separator="true">,</mo><mn>37</mn><mo stretchy="false">}</mo></mrow></semantics></math>

  Posted by kenvin12 on 2025-03-16 20:39:10
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (4)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2025 by Animus Pactum Consulting. All rights reserved. Privacy Information