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