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