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