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Prime Factorization 3
Set 3 (10 Questions)
Determine the prime factors of all numbers through 50 and write the numbers as the product of their prime factors by using exponents to show multiples of a factor.
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From Mr. Anker Tests
Prime Factorization Help Slide 1
Prime Factorization Help Slide 2
Prime Factorization Help Slide 3
Prime Factorization Help Slide 4
Prime Factorization Help Slide 5
1. What are the prime factors of 20?
*
1 point
2, 2, and 5
2, 10, 2, and 5
2, 10, and 5
2 and 10
2. What are the prime factors of 49?
*
1 point
2 and 7
4 and 9
7 and 7
7 and 49
3. What are the prime factors of 50?
*
1 point
2, 5, and 10
2, 5, 5, and 10
2 and 25
2, 5, and 5
4. Which choice shows the prime factors of 28? (Notice the exponents used in some of the answer choices, e.g: 2², 7². Refer back to the Help slides above for more information.)
*
1 point
2² x 7
2 x 7²
4 x 7
2 x 8
5. Which choice shows the prime factors of 44?
*
1 point
2² x 11
2 x 11²
4 x 11
none of the above
6. Which choice shows the prime factors of 100?
*
1 point
2² x 10
2² x 5²
4 x 25
none of the above
7. What exponents (A and B) would be used to complete the prime factorization for 72?
*
1 point
A = 3, B = 2
A = 2, B = 3
A = 2, B = 2
A = 3, B = 3
8. What exponent (A) would be used to complete the prime factorization for 84?
*
1 point
2
3
6
7
9. True or false? While may numbers can be factored in different ways, the prime factors of the original number will always come out the same.
*
1 point
Choose
True
False
10. What exponent would go in the white box to complete the prime factorization of 81?
*
1 point
3
4
9
none of the above
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