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