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