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