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