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