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