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