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Understanding Prime and Composite Numbers: Factorization, Divisibility, and Operations

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This educational content delves into the concepts of prime and composite numbers, providing clear definitions and examples. It covers prime factorization, the rules of divisibility for numbers like 2 and 6, and outlines how to find factors. Additionally, it explains the order of operations (PEMDAS) for evaluating mathematical expressions. Learn how to express numbers as products of prime factors, and practice identifying whether various numbers are prime, composite, or neither. Ideal for students seeking clarity in fundamental math concepts.

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Understanding Prime and Composite Numbers: Factorization, Divisibility, and Operations

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  1. Prime & Composite Prime Factorization Factors & Divisibility Division Order of Operations 1pt 1 pt 1 pt 1pt 1 pt 2 pt 2 pt 2pt 2pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4pt 4 pt 4pt 5pt 5 pt 5 pt 5 pt 5 pt

  2. A whole number that has only 2 factors.

  3. What is a prime number?

  4. A whole number that has more than 2 factors.

  5. What is a composite number?

  6. 57

  7. What is a composite number?

  8. 49

  9. What is a composite number?

  10. A number that is neither prime or composite.

  11. What is the number one?

  12. The prime factorization of the number is 2x3x5.

  13. What is the number 30?

  14. Find the prime factorization of 24.

  15. What is 2x2x2x3?

  16. Find the prime factorization of 28.

  17. What is 2x2x7?

  18. Write 18 as a product of prime factors.

  19. What is 2x3x3?

  20. Write 45 as a product of prime factors.

  21. What is 3x3x5?

  22. Give the divisibility rule for 2.

  23. What is a number is divisible by 2 if it is an evennumber?

  24. Give the divisibility rule for 6.

  25. What is a number is divisible by 6 if it is divisible by both 2 and 3?

  26. List all the factors of 50.

  27. What is 1,2,5,10,25, and 50?

  28. Rules used to help you find the factors of a number.

  29. What is The Divisibility Rules?

  30. The two factors of a number.

  31. What is a factor pair?

  32. 240 divided by 3.

  33. What is 80?

  34. 126 divided by 6.

  35. What is 21?

  36. 755 divided by 5.

  37. What is 151?

  38. $84.12 divided by 6.

  39. What is $14.02?

  40. $3,533 divided by 5.

  41. What is 706 R 3?

  42. 4+3x3.

  43. What is 13?

  44. Evaluate this expression 14-6 divided by 2.

  45. What is 11?

  46. Mathematicians use this to avoid getting more than one answer.

  47. What is The Order of Operations?

  48. PEMDAS

  49. What is parentheses, exponents, multiply and dividefrom left to right and add and subtractfrom left to right?

  50. Evaluate this expression (15-8)x(2+6).

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