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