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