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