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