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