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