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