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