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