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