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