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