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 {3, 12, 29, 23, 11, 2} → ______
- Prime numbers in {15, 2, 19, 5, 13, 17} → ______
- Prime numbers in {15, 23, 12, 19, 8, 25} → ______
- Prime numbers in {7, 17, 27, 21, 9, 19} → ______
- Prime numbers in {9, 29, 12, 23, 7, 27} → ______
- Prime numbers in {13, 17, 21, 19, 5, 2} → ______
- Prime numbers in {15, 23, 2, 12, 19, 25} → ______
- Prime numbers in {29, 23, 12, 8, 2, 17} → ______
- Prime numbers in {9, 7, 29, 21, 2, 12} → ______
- Prime numbers in {27, 17, 13, 7, 29, 23} → ______
- Prime numbers in {9, 5, 25, 17, 11, 12} → ______
- Prime numbers in {2, 23, 9, 21, 25, 7} → ______
- Prime numbers in {8, 19, 21, 27, 13, 29} → ______
- Prime numbers in {5, 23, 3, 9, 13, 7} → ______
- Prime numbers in {5, 9, 23, 13, 19, 27} → ______
- Prime numbers in {11, 29, 3, 8, 17, 21} → ______
- Prime numbers in {27, 17, 7, 11, 19, 21} → ______
- Prime numbers in {15, 5, 27, 9, 21, 2} → ______
- Prime numbers in {8, 17, 19, 27, 5, 2} → ______
- Prime numbers in {27, 29, 8, 21, 3, 25} → ______