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