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