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