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