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