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