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Grade:
7
, Subject:
Math
, Topic:
Prime Factorization
Question 1:
Which shows the prime factorization of 90?
2×2×3×5
2×3×5×5
3×3×3×5
2×3×3×5
Question 2:
The prime factorization of 125 is _______.
3 × 5 × 5 × 5
5 × 5 × 5
3 × 2 × 5 × 5
3 × 3 × 7 × 5
Question 3:
Which is a prime number?
91
64
50
79
Question 4:
Which is NOT a prime number?
443
149
49
19
Question 5:
Which is a composite number?
29
121
53
101
Question 6:
Which shows the prime factorization of 147?
3×7×7
3×3×7
3×5×6
3×5×7
Question 7:
Find the prime factorization of 420.
2×2×2×5×7
2×5×5×5×7
2×2×3×3×7
2×2×3×5×7
Question 8:
Find the prime factorization of 1029.
2 × 3 × 3 × 7
3 × 7 × 7× 7
2 × 2 × 5 × 7 × 13
2 × 2 × 3 × 7 × 11
Question 9:
Which shows the prime factorization of 1,242?
2 ×3
2
×23
2 ×3
3
×21
2 ×3
3
×23
2 ×5
3
×11
Question 10:
Which shows the prime factorization of 225?
3 × 3 × 3 × 5 × 5
2 × 3 × 5 × 6
3 × 3 × 5 × 5
9 × 5 × 5
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