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