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