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