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