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