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