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