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Make a factor tree for the following numbers.
1. 72
2. 450
3. 50
4. 81
5. 100
6. 54
7. Find the prime factorization of 350. Write using exponents.
8. Write 87 as its product of prime factors.
9. Factor the following numbers to their prime factors to check
whether the number is prime?
A. 50
B. 83
10. What is the greatest prime factor of 150?
Prime Factorization Worksheet
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1.
2 × 2 × 2 × 3 × 3
2.
2 × 3 × 3 × 5 × 5
3.
2 × 5 × 5
4.
3 x 3 x 3 x 3
5.
2 x 2 × 5 x 5
6.
2 × 3 × 3 × 3
7.
2
1
× 3
1
× 5
3
8.
3 x 29
9.
A. 50 = 2 × 5 × 5, not a prime number
B. 83 = 1 × 83, a prime number
10.
2 x 3 x 5 x 5
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