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