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