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