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