LCM for 70 and 245

What's the Least Common Multiple (LCM) of 70 and 245?

Answer: LCM of 70 and 245 is 490

(Four hundred ninety)

Finding LCM for 70 and 245 using GCF's of these numbers

The first method to find LCM for numbers 70 and 245 is to find Greatest Common Factor (GCF) of these numbers. Here's the formula:

LCM = (Number1 × Number2) ÷ GCF

GCF of numbers 70 and 245 is 35, so

LCM = (70 × 245) ÷ 35

LCM = 17150 ÷ 35

LCM = 490

Finding LCM for 70 and 245 by Listing Multiples

The second method to find LCM for numbers 70 and 245 is to list out the common multiples for both nubmers and pick the first which matching:

Multiples of 70: 70, 140, 210, 280, 350, 420, 490, 560, 630

Multiples of 245: 245, 490, 735, 980

So the LCM for 70 and 245 is 490

Finding LCM for 70 and 245 by Prime Factorization

Another method to find LCM for numbers 70 and 245 is to list all Prime Factors for both numbers and multiply the highest exponent prime factors:

All Prime Factors of 70: 2, 5, 7 (exponent form: 21, 51, 71)

All Prime Factors of 245: 5, 7, 7 (exponent form: 51, 72)

21 × 51 × 72 = 490

Related Calculations

See Also

About "Least Common Multiple" Calculator

This calculator will help you find the Least Common Multiple (LCM) of two numbers. For example, it can help you find out what's the Least Common Multiple (LCM) of 70 and 245? (The answer is: 490). Select the first number (e.g. '70') and the second number (e.g. '245'). After that hit the 'Calculate' button.
Least Common Multiple (LCM) also known as the Lowest Common Multiple or Smallest Common Multiple of 2 numbers - it is the smallest positive integer that is divisible by both numbers

LCM Table

Number 1Number 2LCM
552452695
562451960
5724513965
5824514210
5924514455
602452940
6124514945
6224515190
632452205
6424515680
652453185
6624516170
6724516415
6824516660
6924516905
70245
7124517395
7224517640
7324517885
7424518130
752453675
7624518620
772452695
7824519110
7924519355
802453920
8124519845
8224520090
8324520335
842452940

FAQ

What's the Least Common Multiple (LCM) of 70 and 245?

LCM of 70 and 245 is 490