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