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