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