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