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