How to Determine if a Number is Prime | Prime or Composite? 83 and 77 | Minute Math

2 years ago
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In this video we learn how to determine if a number is prime. We determine if the numbers 83 and 77 are prime or composite.

The steps for determining if a number is prime are as follows:
1. Test each of the primes, in order, to see if it is a factor of the number.
2. Start with 2 and stop when the quotient is smaller than the divisor or when a prime factor is found.
3. If the number has a prime factor, then it is a composite number. If it has no prime factors, then the number is prime.

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https://minutemath.com/pre-algebra/find-multiples-and-factors/

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CC Licensed Content, Original

Revision and Adaptation. Provided by: Minute Math. License: CC BY 4.0
CC Licensed Content, Shared Previously

Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Use the Language of Algebra. In Prealgebra 2e. OpenStax. https://openstax.org/books/prealgebra-2e/pages/2-4-find-multiples-and-factors. License: CC BY 4.0. Access for free at https://openstax.org/books/prealgebra-2e/pages/1-introduction

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