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