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