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