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