Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {15, 29, 25, 5, 3, 23} → ______
- Prime numbers in {8, 19, 29, 5, 25, 3} → ______
- Prime numbers in {3, 27, 17, 29, 8, 9} → ______
- Prime numbers in {5, 8, 19, 12, 15, 27} → ______
- Prime numbers in {2, 29, 27, 5, 3, 8} → ______
- Prime numbers in {3, 11, 25, 23, 9, 21} → ______
- Prime numbers in {8, 13, 23, 3, 27, 7} → ______
- Prime numbers in {19, 13, 23, 2, 21, 25} → ______
- Prime numbers in {29, 19, 5, 21, 27, 3} → ______
- Prime numbers in {9, 25, 13, 2, 27, 19} → ______
- Prime numbers in {5, 15, 7, 2, 11, 25} → ______
- Prime numbers in {13, 7, 25, 19, 2, 29} → ______
- Prime numbers in {5, 25, 2, 9, 8, 7} → ______
- Prime numbers in {17, 19, 8, 12, 3, 11} → ______
- Prime numbers in {17, 27, 9, 8, 2, 29} → ______
- Prime numbers in {9, 15, 13, 25, 3, 27} → ______
- Prime numbers in {9, 19, 27, 29, 13, 8} → ______
- Prime numbers in {19, 21, 7, 8, 27, 17} → ______
- Prime numbers in {9, 3, 13, 27, 29, 12} → ______
- Prime numbers in {5, 11, 15, 2, 13, 12} → ______