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