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