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