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