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