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