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