ehrenfest
- 2,001
- 1
Homework Statement
Is there any simple way to factor 1001=7*11*13 by hand?
Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
2 replies · 3K views
Is there any simple way to factor 1001=7*11*13 by hand?
Discussion
Physics news on Phys.org
- 4,432
- 10
Since last digit in 1001 is one it can be divided by either 1 or 3 or 7 or 9.Try one by one. You can see that 7 is a factor. Proceed in the same manner.
ehrenfest
- 2,001
- 1
How do you know that a priori? Why does it need to be less than 10?
Similar threads
Proving (A⊕B)∩A= A-B: A Simple Guide
- putiiik
- · Replies 5 ·
- Set Theory, Logic, Probability, Statistics
- Replies
- 5
Proving (x^2)>0: A Simple Guide
- cacosomoza
- · Replies 6 ·
- Calculus and Beyond Homework Help
- Replies
- 6
Factoring 3rd degree polynomial for eigenvalues
- hops1
- · Replies 5 ·
- Calculus and Beyond Homework Help
- Replies
- 5
Solving Arctanx=x: A Simple Guide to Solving Trigonometric Equations
- haya
- · Replies 3 ·
- Calculus and Beyond Homework Help
- Replies
- 3
Proving the Divisibility Property of Prime Numbers: A Simple Guide
- mephillip
- · Replies 10 ·
- Precalculus Mathematics Homework Help
- Replies
- 10
Easily Solve Substitution Problems with This Simple Guide
- estu2
- · Replies 1 ·
- Calculus and Beyond Homework Help
- Replies
- 1
Integrating exp(x^2) Without Numerical Methods: A Simple Guide
- kasse
- · Replies 1 ·
- Calculus and Beyond Homework Help
- Replies
- 1
Factorizing X^4 + 1: Step-by-Step Guide
- julypraise
- · Replies 11 ·
- Calculus and Beyond Homework Help
- Replies
- 11
Using a Resistor to Power Multiple Devices: A Simple Guide
- jaydnul
- · Replies 2 ·
- Electrical Engineering
- Replies
- 2
Derivative of (x+3)(x-4)(x+5): A Simple Guide
- sbose27
- · Replies 3 ·
- Calculus and Beyond Homework Help
- Replies
- 3