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