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Number Theory - Prime Factors - GCF - LCM

Worksheet (Pre-Algebra)

PDF: Pre-Algebra, Middle School Math, 7th Grade Math, 8th Grade Math - factors, prime factorization, lcm, gcf, palindromes

Number Theory - Prime Factors - GCF - LCM Worksheet


In this free worksheet, students must determine if a a number is a palindrome, find multiples, test for divisibility, find factors, find GCF (Greatest common factor), and LCM (least common multiple).

Lesson: 

To identify place values, to determine if numbers are palindromes, to find multiples, factors, GCF, and LCM.

Number of Problems: 

10

Pages: 

3

Answer Key: 

Yes

Samples: 

Tutor-USA.com Worksheet
Number Theory

1) Write down:
a. Largest 3-digit odd number with a 7 in the tens place
b. Smallest 4-digit even number with a 6 in the hundreds place

2) Which of these numbers are palindromes?

3) Write the first 6 multiples of:

4) a. find the 8th multiple of 5.
b. Which multiple of 6 is 42?

5) How could you test a number for divisibility by 18?

6) Find all factors of each number:

7) Find the GCF of:

8) Use the given prime factors to find the GCF of each pair of numbers.

10) Use the given prime factors to find the LCM of each pair of numbers.


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