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