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