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