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