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