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