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