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