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