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