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